Crested saguaro

See full list on travelawaits. Montana Mountain 2. The company's filing status is listed as Active and its File Number is 2010-000584265 . Experts estimate that this only happens in 1 to 100,000 to 200,000 saguaros. Why are Some Saguaros Crested? Even when saguaro cacti grow in their normal form, they rarely grow symmetrically. 2. Jun 7, 2024 · 6641 E Crested Saguaro Ln, Scottsdale, AZ 85266 is currently not for sale. Dallman. Feb 10, 2023 · Members of the Crested Saguaro Society guard the location of rare specimens in the Sonoran Desert, a task made more urgent by population growth. 6442 E Crested Saguaro Ln, Scottsdale, AZ 85266 is currently not for sale. This home last sold for $383,000 in December 2017. View the rest of the Crested Organ Pipe Cactuses here. But very rarely (about only one plant in 10,000*), a saguaro will grow with a fan-shaped crest of uncontrolled growth at the tip. Length: 12. The Rent Zestimate for this Single Family is $3,031/mo, which has increased by $53/mo in the 6461 E Crested Saguaro Ln is a 3,562 square foot house on a 0. These are basically mutated saguaro cactuses that decided to just do their own thing, and they look like gnarly blown up versions of a cross-section of broccoli. This is a triple-crested saguaro. NPS Photo/ T. 5) is a unique view, as well as "the Dome" (a large exposed surface at mile 3) that offers even more breathtaking views. Yet despite their royal status, few wear a crown. and is located at 30 N Gould St Ste R, Sheridan, WY 82801. 7 mi • Est. Fasciation. Two crested saguaros, a geologic window, an arch, a stone cabin and great elevated views. What causes the rare crested mutation is unknown. A very interesting trail with numerous attractions. A couple popular theories is that it is either a response to environmental event like a freeze or it might be a hormonal imbalance that affects the amount of pleats that are grown. Last visited: March 2014. The crest forms when the cells Take an in-depth look into this extremely rare mutation of the saguaro cactus. SAGUARO CACTUS SALES IN PHOENIX. 5 baths, 2880 sq. In morning light, I ascended a nearby hill from which I phototographed a big — possibly crested — saguaro 3 years earlier. Cristate or “crested” saguaros form when the cells in the growing stem begin to divide outward, rather than in the cir - cular pattern of a normal cactus. Public group. View 77 photos for 6449 E Crested Saguaro Ln, Scottsdale, AZ 85266, a 3 bed, 3 bath, 3,221 Sq. 28 acre lot with 3 bedrooms and 3. Local Sports Things To Do Politics Travel Advertise Obituaries eNewspaper Feb 1, 2022 · Details: The entrance to Saguaro National Park's Rincon Mountain District is at 3693 S. James Gregg / Arizona Daily Star Tucson's quirky saguaros On top of a regular saguaro is the growth circle . The massive iconic sentinel of the Sonoran desert grows up to 30 feet tall and features multiple arms. ft. $1,295,000 Last Sold Price. It is in the process of collapsing, affording a rare opportunity to examine two of the crests at eye-level. Old Spanish Trail. house located at 6629 E Crested Saguaro Ln, Scottsdale, AZ 85262 sold for $442,500 on Sep 10, 2002. To buy Saguaro Cacti for sale in Phoenix, give us a call today at (480) 488-9455 or stop by our desert plant nursery. Crested saguaro on Sidewinder Trail. Either way, these unique crested saguaros are among one of the rarest species of plants in the world. Feb 23, 2024 · Join the SaddleBrooke Hiking Club at 4 p. This particular cactus is located outside the Apache Clubhouse at the Desert Mountain Golf Club in Scottsdale. The 2,831 Square Feet single family home is a 3 beds, 4 baths property. These plants are native to only a small region of southern Arizona, the adjoining Mexican State of Sonora and extreme southeastern California, yet their tall, columnar shape is familiar to any desert traveller. View 31 photos of this 3 bed, 2 bath, 1618 sqft. Mar 16, 2018 · The photographer is seeking other Crested or Cristate saguaros for photos. 6641 E Crested Saguaro Ln was last sold on Jun 7, 2024 for $1,245,000 (7% lower than the asking price of $1,345,000). 00. MLS# 1830608. This one lies only about 75 feet upslope from the trail itself, so it’s easy enough to spot. 7 miles, 4000 feet elevation). "Saguaros produce flowers at the top of their stems, so if you have a single saguaro stem they'll produce flowers there and flowers turn into fruits and produce seeds and the seeds are what create young saguaros," Swann says. Feb 1, 2022 · Details: The entrance to Saguaro National Park's Rincon Mountain District is at 3693 S. View more homes. May 29, 2024 · Tucson, Arizona is home to the nation's largest cacti. Adaptations are what enable the cactus plants The crested saguaro is an example of Fasciation. 7, 2007 in Green Valley, Ariz. The largest crest in reported history was said to be nine feet across; however, this claim was never confirmed. Sandy in the beginning and lose rock in some patches. 7 miles into the hike. Instead of having a central stem, however, a cluster of 5 to 20 slender branches grow from a point at ground level and. “It becomes a little bit of an obsession. The Zestimate for this Single Family is $612,900, which has increased by $15,113 in the last 30 days. Apr 11, 2021 · In 2005, two members of the Tucson Cactus and Succulent Society (TCSS), Bob Cardell and Pat Hamness, created the Crested Saguaro Society (crestedsaguarosociety. Exclusive to the Sonoran Desert, the saguaro cactus has long been a symbol of the Old West and Tucson, Arizona. This trail rises above 5,000' and has several areas on shaded north slopes. Old cristate saguaro Cristate Saguaros August 2013 Introduction Abundance Saguaro “crests” generally measure between three and five feet in diameter. Tall, green and bristling with spines, a crested saguaro cactus looks prototypical until Sep 3, 2020 · A rare crested saguaro cactus stands on the land of the 2,073-acre Green Valley preserve Oct. Mar 2, 2022 · Crested Saguaro . Oct 3, 2019 · A rare crested saguaro cactus can be found along the short Bajada Loop Nature Trail. Most of these appear as a tall column that sprouts arms, or branches, when 65-75 years old. Feb 7, 2023 · Crested saguaro that can be seen from Skull Mesa Trail. 3 beds. The Crested Saguaro, Crested Saguaro Cactus. Karen Rans photo. curve gracefully upward. This columnar cactus growing as tall as 23 feet. An good example of this seam is at "Mother Natures Glue" "Note" there is another crested saguaro on the skyline right above it. This home was built in 1995 and last sold on 2024-06-07 for $1,245,000. Dec 4, 2023 · Saguaro National Park East District has a wonderful variety of over 128 miles of hiking trails for you to explore. The 8-mile one way Cactus Forest Drive loop is fully paved and hosts numerous hiking trails, picnic areas, and scenic overlooks along the journey. We strive to provide accurate information, but we are just amateurs attempting to make sense of a diverse natural world. 2,431 sq ft. Some saguaros develop a unique fan-shaped pattern at the growing tip. The stats 12. Join group. Feb 8, 2023 · You can get to this crested saguaro from the Spur Cross Ranch Conservation Area. 3,488 sq ft. 6538 E CRESTED SAGUARO Ln is a 3,200 square foot house with 3 bedrooms and 3. org) whose mission is to find and document all crested saguaros in the Sonoran Desert. Available shipped to your door from one foot tall all the way up to six feet tall. 8489 E Golden Cholla Dr, Gold Canyon, AZ 85118. Little is known about what causes this strange growth or how often it occurs. recently sold home located at 6641 E Crested Saguaro Ln, Scottsdale, AZ 85266 that was sold on 06/07/2024 for $1245000. MLS# 6668800. The Zestimate for this Single Family is $608,100, which has increased by $7,510 in the last 30 days. The telephoto image from that day is indistinct but tantalizing: On this day, I took a bearing and vowed to hike to this mystery saguaro far out in the desert. AZ. An Arizona group is trying to catalog and protect the plants, one at a time. Call us on 602-465-0566 for further details or info. These majestic plants, found only in a small portion of the United States, are protected by Saguaro National Park, to the east and west of the modern city of Tucson. The giant saguaro cactus is a universal symbol of the American west. We at cactus doctor have a huge inventory of such cactus. Additional Cost. single family home built in 1997 that was last sold on 03/23/2023. house located at 4961 S Crested Saguaro Ln, Gold Canyon, AZ 85118 sold for $383,000 on Dec 28, 2017. The Loma Verde Trailhead is off the Cactus Forest Scenic Drive. Find out how many there are, what causes them, and how to protect them from poachers. Jan 11, 2023 · 4785 S Crested Saguaro Ln, Gold Canyon AZ, is a Single Family home that contains 2269 sq ft and was built in 1998. The Saguaro Cactus. 32 acre lot with 4 bathrooms. Family: Cactaceae Subfamily: Cactoideae Tribe: Pachycereae Genus: Carnegiea. Add to cart. 4961 S Crested Saguaro Ln, Gold Canyon AZ, is a Single Family home that contains 2028 sq ft and was built in 1996. CALL (480) 488-9455. Crested Saguaro Society. Aug 24, 2015 · Crested Saguaro Cactus. in the HOA-1 Activity Center for a fascinating presentation on crested saguaros by resident Harry Ford on Wednesday, April 24. The 2,750 Square Feet single family home is a 4 beds, 3 baths property. 1507 N Indian Rock Rd, Carefree, AZ 85377. Their work has reshaped our knowledge and understanding of the cactus. Then when you get near the crested saguaro, there’s another big sign pointing to it. Scientific Classification. CHECK the COMPS-PRICED to SELL:Immaculate Nimbus mo I absolutely loved staying at Crested Saguaro Ranchita. The tall, columnar shape of the saguaro cactus is a familiar icon of the desert. This home is currently off market - it last sold on June 06, 2008 for $880,000. The park is a short walk over so very convenient for those looking to hike. Copy article link. 27 acre lot with 4 bedrooms and 4. would need to collect DNA from several crested saguaros and compare them to many non-crested saguaros—requiring substantial funding, labor and research. It contains 2 bedrooms and 3 bathrooms. Last visited: March 2011. single family home built in 1995 that was last sold on 01/19/2023. This home is currently off market - it last sold on February 05, 2021 for Sold - 6641 E Crested Saguaro Ln, Scottsdale, AZ - $1,245,000. When the growing tip of a saguaro produces a fan-like shape instead of columnar arms, it’s referred to as crested or cristate. Group of people that love and enjoy locating or seeing crested saguaros. This home is currently off market - it last sold on January 16, 2020 for $899,500 How many photos are available for this home? May 22, 2024 · Mapping Racist Covenants: How a UArizona geographer's research informed a new Arizona law. Once again I returned to this area near Florence, to check up on some old crested saguaros, and to try and find some new ones! As you may remember from a previous report, three weeks earlier I'd spotted a crested saguaro far in the distance but didn't hike out to it. ” A recent 2020 Saguaro Census at Saguaro National Park estimates around 2 million saguaros in the park, but only recorded one crested saguaro in the 22 thousand that were mapped and measured. May 12, 2022 · The Crested Saguaro Society, a volunteer group of naturalists who document cristate saguaros and other cactuses around Arizona, California, Nevada and Mexico, has documented over 3,100 crested The saguaro is a columnar cactus that grows notable branches, usually referred to as arms. [6] Saguaros grow from 3–16 m (10–52 ft) tall, and up to 75 cm (30 in) in diameter. ·. Also known as Carnegia gigantea. Jun 7, 2024 · LGBTQ Local Legal Protections. The cause of this strange growth is unknown. , often growing over 40 feet tall and adorned with a Oct 3, 2019 · The rarest look of all is that of the crested saguaro. Saguaro is a cactus that looks like a tree that can grow over 40 feet. The house is cozy and has everything one needs for a little getaway. There are many sights to see while hiking and the trail continues on 7541 E Crested Saguaro Pl, Tucson, AZ 85750 is for sale. 9. Tens of thousands of cactuses grow in Saguaro National Park near Tucson, Arizona. We have documented over 3700 crested saguaros, as well as champion saguaros, unusual saguaros, and other crested cacti. This trail continues to Juniper Basin Campground (6. Over 50 arms may grow on one plant, with one specimen having 78 arms. 9112 E Four Peaks Dr, Gold Canyon, AZ 85118. Price Reduced! The Saguaro Cactus (Carnegia gigantea) is a trademark symbol of the Sonoran Desert. This is a short and easy, out and back along a reasonably flat trail to see a marvelous saguaro cactus aptly named "Michelin Man. 5 baths, 2028 sq. The Rent Zestimate for this Single Family is $3,097/mo, which has increased by $3,097/mo in View 25 photos for 4792 S Crested Saguaro Ln, Gold Canyon, AZ 85118, a 3 bed, 2 bath, 2,324 Sq. It contains 3 bedrooms and 3 bathrooms. GET A FREE ESTIMATE. This cactus can handle moderate periods of frost down to 25 degrees fahrenheit. 5. Arizona Highways, October 1950 (photo by Josef Muench) "While not many diseases or pests attack the Saguaro, an injury to the circular cell group at the apex sometimes produces the crested or 'cristate' forms. LOCATION, LOCATION, LOCATION!!! I absolutely loved staying at Crested Saguaro Ranchita. You can’t miss it. 41 reviews. MLS# 5667842. View 36 photos of this 4 bed, 5 bath, 4660 sqft. 9 mile mark, 3000 feet elevation) as well as Tanque Verde Peak (8. The full report Skull Mesa Mar 21, 2020 · The crested Saguaro cactus is a majestic beauty. Saguaro National Park, Tucson Mountain District. cristata is a large cactus with a fan-shaped part usually found on the top of the main stem. Since its start, the group has registered over 3,200 crested cacti. There’s a group of naturalists called the Crested Saguaro Society who are solely dedicated to finding and documenting crested saguaros. Also access to Woodbury and Rogers trailheads. This home last sold for $610,000 in January 2023. This formation appears as an abnormal growth at the top of the cactus or the arm. Feb 20, 2013 · Regardless of the cause, a crested saguaro is extremely rare. 6562 E Crested Saguaro Ln is a 3,709 square foot house on a 0. She’s a crested saguaro wizard! Crested saguaro along Cottonwood Trail . 1 mi 3172 ft gain. 3 acre lot with 3 bedrooms and 2. Twin spear 11' & 12'. This property is not currently available for sale. Saguaros can grow up to 45 feet tall, weigh 4,800 pounds when fully hydrated and can often live 150 to 200 years. Dec 28, 2023 · A crested saguaro (at mile 2. A project led by Jason Jurjevich informed a law that lets homeowners remove unlawful restrictions from their property records. It’s behind a fence with a little interpretive sign telling you all about crested saguaros. Those that do are called crested saguaros. Overall stable and good hike for the pups. We parked the Jeep at the 36th Street trail head and made a six mile loop in the park, passing this cactus at about mile 4. $25 per vehicle, good for Crested Saguaro Society. A small group call the Crested Saguaro Society started photographing and documenting all the crested saguaros they could find. This home was built in 1997 and last sold on 2021-03-15 for $1,180,000. Saguaro cacti are extremely important elements of the desert ecology, both as nests and food for birds. talk to them and they may direct you to a local saguaro. As we crossed through a wash, Heather spotted it up on the side of the wash close to the trail. ” Mar 25, 2021 · Nope, it’s actually an exceptionally rare example of something biologists still don’t fully understand. 2 beds, 2. Please call ahead to verify (480) 488-9455 (just to be safe). The back side of this landmark Crested saguaro north of Sahuarita shows signs that something has taken up residence. May 24, 2022 · Some Saguaro cacti can grow in rare and unusual shapes called “cristate” or “crested” saguaro. Crest100-199. Crested Saguaros. It is estimated to only occur in 1 out of 250,000 saguaros. Only about 75 saguaros with this Mar 25, 2022 · 2230 N Kinney Rd, Tucson, AZ 85743. Search for crested saguaros [East & West] Crested saguaros are like the hidden Easter eggs of Saguaro National Park. Jun 9, 2004 · Saguaro National Park, Rincon Mountain District. The giant saguaro is the universal symbol of the American west. Nearby homes similar to 6449 E Crested Saguaro Ln have recently sold between $1M to $2M at an average of $540 per square foot. 5 baths. But wait! This wasn’t the same one! So we kept looking for the other one, which was supposedly on the Cottonwood Trail. This consists of hundreds of small folds, or pleats, similar to much larger "ribs" found on the skin of the saguaro trunk. I spent a lot of time out on the patio enjoying the magnificent desert views. Some believe it’s a genetic defect, while others believe it is caused by lightning. $25 per vehicle, good for 3 beds, 3. Feb 9, 2013 · This time we were in search of the elusive crested saguaro. Sometimes, they grow in odd or misshapen forms. Great trail, lots of cool granite outcrops and a double crested saguaro. Each cactus sports a unique shape and intricate formation. As we drove out of the park, Miss Crested Saguaro Eyes saw another Crested Saguaro just off the road. 5h 15m. Carnegiea gigantea f. The Saguaro Cactus (Carnegia gigantea) is a trademark symbol of the Sonoran Desert. It is currently on sale and is available at highly affordable rates. house located at 6641 E Crested Saguaro Ln, Scottsdale, AZ 85266 sold for $1,245,000 on Jun 7, 2024. Yet according to the park's website, roughly 25 crested Nov 10, 2023 · Spotting a rare crested saguaro is a highlight of this hike in Paloma Regional Preserve in Peoria. m. A bonus crested saguaro can be spotted from the Skull Mesa Trail if you have a sharp eye. The growing tip occasionally produces a fan-like form which is referred to as crested or cristate. 6442 E CRESTED SAGUARO Ln is a 3,571 square foot house on a 0. 5 baths, 2831 sq. In 2016, still little is known about what caus Jan 4, 2023 · Take the Sidewinder Trail, which is clearly marked with an arrow pointing the way to the crested saguaro. Based on Redfin's Scottsdale data, we estimate the home's value is $1,357,049. These cacti are tall and tree-like, with branches commonly referred to as arms. Not only does the Sonoran Desert offer an amazing variety of cactus species, it also exhibits some of the most fascinating adaptations in the plant world. The stats are for the whole trip up to Skull Mesa—the saguaro is 4. No issues w the private property- there is a gate to get through fence. At its inception, there were believed to be approximately 200 crested saguaros in existence. They provide large amounts of pollen, fruit, and nectar. When this growth area gets disturbed and elongates into a line, for whatever reason, is what we call "the seam". Apr 1, 2022 · 6689 E Crested Saguaro Ln is a 2,750 square foot house on a 9,775 square foot lot with 4 bathrooms. 5 bathrooms. Jul 1, 2021 · 3. The Registered Agent on file for this company is Registered Agents Inc. SOLD FEB 14, 2024. Find out how to locate, catalog and protect these natural wonders. Many types of cacti can become crested, but Feb 5, 2013 · The second example of a Crested Saguaro is found off the Starr Pass Trail near where it intersects with the Yetman Trail. 6641 E Crested Saguaro Ln, Scottsdale, AZ 85266 is a 3 bedroom, 4 bathroom, 2,831 sqft single-family home built in 1995. 343 members. This home was built in 1995 and last sold on 2022-04-01 for $855,000. From Wikipedia: "Fasciation (or cresting) is a relatively rare condition of abnormal growth in vascular plants in which the apical meristem (growing tip), which normally is concentrated around a single point and produces approximately Jun 26, 2022 · Clearly, all those outstretched saguaro arms aren't for hugging. Here you have a chance to see these enormous cacti, silhouetted by the beauty of a magnificent desert sunset. $1,730,000 Last Sold Price. The saguaro is the unquestioned king of the Sonoran Desert, towering over the landscape. We first encountered a crested cactus during our visit to the Organ Pipe Cactus National Monument. Nearby homes similar to 6641 E Crested Saguaro Ln Unit NIMBUS have recently sold between $925K to $2M at an average of $550 per square foot. *Not all products on the pages are in stock all of the time. 2 baths. The Mysterious Crested Saguaro takes an in-depth look into this extremely rare mutation of the saguaro cactus. SOLD JUN 5, 2024. Ft. This home is currently off market - it last sold on March 19, 2021 for $1,125,000 How many photos are available for this home? Saguaro #1314. See photos and price history of this 3 bed, 4 bath, 2,831 Sq. 3. 4895 S Crested Saguaro Ln, Gold Canyon, AZ 85118 is pending. View details, map and photos of this single family property with 3 bedrooms and 4 total baths. The crest part of the cactus is basically a deformity that causes the plant to grow in a strange shape, not consistent with it’s normal form. They are considered to be somewhat rare. Weird and interesting, they are actually a sort of cancerous growth where the cell grows too rapidly and may be caused by bacteria or Feb 11, 2023 · The Crested Saguaro Society began searching the approximately 100,000-square-mile desert for crested saguaros — the largest cactus in the U. Kim Smith | 520-547-9740. Near the Arizona-Sonora Desert Museum lies the King Canyon Trailhead on Kinney Road. This is an unusual mutation which results in the growth of a large fan-shaped crest at the growing tip of a saguaro’s main stem or arms. Nearby homes similar to 4792 S Crested Saguaro Ln have recently sold between $375K to $950K at an average of $280 per square foot. com Learn about the elusive crested saguaros, a rare mutation of the iconic Arizona cactus, from a saguaro enthusiast and the Crested Saguaro Society. Sold. Saguaro. Synonym(s) Carnegiea gigantea f. Description. The 3,571 Square Feet single family home is a 3 beds, 5 baths property. Feb 26, 2024 · A crested saguaro on the West Desert Trails near the Sierrita Mine had a lot of fans before collapsing over the weekend. 8117 E Smokehouse Trl, Scottsdale, AZ 85266. Size. They believe crested saguaros are not as rare as many biologists and governmental agencies claim them to be. Find the information you need by calling the library's Infoline at 520-791-4010 or by sending your question to Ask a Librarian. Because, ouch! But they do give saguaros more chances to spread more seeds. $1795. Thank You! Green Valley, Arizona. They are slow growing, but routinely live 150 to 200 years. 4195 S Lysiloma Ln, Gold Canyon, AZ 85118. " The trailhead for this route begins at Cave Creek Regional Park and heads east along the Slate Trail. May 22, 2016 · Learn about the crested saguaro, a strange growth that occurs in most cactus species but is most noticeable in the saguaro cactus. Fasciation (pronounced / ˌfæʃiˈeɪʃən /, from the Latin root meaning "band" or "stripe"), also known as cresting, is a relatively rare condition of abnormal growth in vascular plants in which the apical meristem (growing tip), which normally is concentrated around a single point and produces approximately cylindrical tissue Mar 22, 2024 · The cacti of Saguaro National Park are a diverse group of plants, ranging from the tiny fishhook pincushion to the massive and majestic saguaro. Roger Naylor/Special For The Republic The Wild Mustang Trail in Marana is known for its abundance of crested Apr 1, 2022 · 6689 E Crested Saguaro Ln, Scottsdale, AZ 85266 is currently not for sale. These oddities of the plant kingdom are known as crested (or, more formally, cristate) saguaros. Here's how to see it. single family home with a list price of $1699000. Find the latest news stories from the University of Arizona, covering UArizona research, projects and people. Feb 26, 2023 · The crested saguaro is an uncommon specimen that grows a scalloped crown. cristate. Countless miles driven and walked untold hours scanning the saguaro forest with naked eyes, binoculars, and spotting scopes tens of thousands of photos taken. Cristate saguaro crests commonly grow in the shape of a fan, or semi-circle. The thousand of crested saguaros that have been documented by the Crested Saguaro Society are the result of many, many outings in the Arizona desert going back almost two decades. S. Mar 20, 2024 · The Crested Top Saguaro is scientifically called the Cristate Saguaro, and is caused by a cell mutation when the cells of the cactus start to grow in an outward way instead of a circular way, thus forming a fan shaped top! It is a rare site to see out hiking as only about one in 200,000 saguaro devel 6502 E CRESTED SAGUARO Ln is a 3,188 square foot house on a 0. Show more. 1,441 sq ft. Best described View detailed information about property 6701 E Crested Saguaro Ln, Scottsdale, AZ 85266 including listing details, property photos, school and neighborhood data, and much more. The saguaro cactus is composed of a tall Sold: 3 beds, 3. If you hike along the trail for a mile and a half, you’ll find to your left another beautiful crested saguaro. single family home with a list price of $549000. It's estimated that 1 in 200,000 saguaro cacti grow a crest formation beginning at about 60 to 80 years old. This home is currently off market - it last sold on April 01, 2022 for $855,000. This home is currently off market - it last sold on March 15, 2021 for $1,180,000 How many photos are available for this home? May 6, 2024 · CRESTED SAGUARO RANCH LLC is a Wyoming Domestic Limited-Liability Company filed on May 10, 2010. What causes the rare crested mutation is unknown, but a couple popular theories is that it is a response to environmental events like a freeze or it might be a hormonal imbalance that affects the amount of pleats that are grown. ai et ii rm dt jr nz na hy zz