Olneya tesota as an indicator species of the Sonoran Desert region, [2] has one other species with the same identical north-south, and east-west range. Desert ironwood refers to the hard, heavy heartwood of this tree. An indicator species. Ironwood (Olneya tesota) Ironwood is a flowering tree from the legume family. You can change the display of the base map and layers by clicking on the layer control box in the upper right-hand corner. An evergreen or semi-deciduous shrub or small tree to about 10 m tall with bluish green, pinnate leaves and masses of purple and white flowers. Two-inch-long brown pods develop from the flowers, containing edible seeds that taste somewhat like peanuts. Common Names: Arizona Ironwood, Palo-de-Hierro, Palo-de-Fierro Genus: Olneya Species: tesota The desert ironwood only grows in the washes and valleys of the Sonoran Desert below 2,500 foot elevation. Beneath the canopy of O. tesota trees 75 perennial plant species were found. O. Olneya tesota; Media in category "Olneya tesota" The following 37 files are in this category, out of 37 total. The branches grow upright at first then spread with age, even brushing the ground. ironwood (Olneya tesota) occur on at least 30 million hectares in southwestern United States (Parker and Martin 1952) and may constitute a significant biofuels resource for southwestern United States. General Information Olneya tesota is a spiny, evergreen shrub or small tree with a deep taproot; it can grow 8 - 10 metres tall. Plant Name. The inflorescence is an axillary raceme with 2–4 pea-type flowers. It ranks among the most ecologically and economically important plant species in the region. Ironwood – Olneya tesota . Gray. Duration: Perennial Growth Habit: Tree, Shrub Arizona Native Status: Native Habitat: Desert. Distribution: Southwestern United States and Northwestern Mexico. Olneya tesota is a perennial flowering tree of the Fabaceae family, legumes (peas, beans, etc. Hardy to 25°F. Olneya tesota is a TREE growing to 9 m (29ft 6in) at a medium rate. Although the extremely dense wood makes it difficult to do standard tree-ring dating, the Desert Ironwood has been estimated to be able to live for almost 800 years! Native Americans in southern California used the ironwood for clubs and throwing sticks. Ironwood – Olneya tesota. Peanut flavored seeds were roasted by Native Americans. Olneya tesota range map.png 810 × 924; 93 KB. An increasing trend in desert ironwood (Olneya tesota) exploitation in Sonora has affected the population structure, growth, and recruitment of this species near the Gulf of California in the Sonoran desert. It prefers moist soil. Seeds for sale starting at € 4.50. Plant Distribution. Sun Exposure: Full Sun . The ironwood tree (Olneya tesota) is also known as desert ironwood, palo fierro and tesota. Hopefully will get updated picture soon. Additional information. Catalog. Foliage Color: Unknown - Tell us. The tree known in the U.S./Mexico borderlands as desert ironwood or palo fierro (Olneya tesota) is one of many woody legumes found in washes and hillside drainages in the Sonoran Desert. The function of Olneya tesota (ironwood) as a nurse plant and habitat modifier species in the Sonoran Desert was evaluated at five study sites (using 75 250‐m 2 sample plots) from Bahia Kino, Sonora to Organ Pipe Cactus National Monument, Arizona. It has attractive gray bark and the stems are armed with thorns. Olneya tesota Ironwood Growing insitu South Mtn. Average Dried Weight: About 75 lbs/ft 3 (1,210 kg/m 3) Specific Gravity (Basic, 12% MC): ~.97, ~1.21. Suitable pH: acid, neutral and basic (alkaline) soils. 28 more photos VIEW GALLERY. Scientific Name: Olneya tesota. The desert ironwood tree, Olneya tesota, is a member of the legume family and is the only species in its genus. inland southern California desert. Ironwood. Foliage: Evergreen. Description: SLOW GROWING SPREADING SEMI-DECIDUOUS TREE. According to Pima County, Arizona, the ironwood tree is one of the longest-living and largest of all the plant life found in the Sonoran desert. The wood is incredibly dense. preserve in Phoenix; late winter; in the rain. Desert Ironwood (Olneya tesota) Common Name(s): Desert Ironwood. Has thorns. Geographic subdivisions for Olneya tesota: PR, DSon : MAP CONTROLS 1. Water Requirements: Drought-tolerant; suitable for xeriscaping. Ironwood trees are considered a keystone species in this region because they provide food and shelter for several species of animals and plants. Soil Type: 15% Organic Mulch. Olneya tesota is a perennial flowering tree of the Fabaceae family, legumes (peas, beans, etc), which is commonly known as Ironwood or Desert Ironwood. The small shrubs growing nearby include Creosote Bush (Larrea tridentata) and Triangle-leaf Bursage (Ambrosia deltoidea). Olneya tesota A.Gray. One of the most important, and oldest, plants in the Sonoran Desert. Heat tolerant. The IRONWOOD (also known as “Olneya tesota”) is a(n) Deciduous in the Desert class and part of our Trees department. Olneya tesota as an indicator species of the Sonoran Desert region, [2] has one other species with the same identical north-south, and east-west range. More Information: FULL SUN, REFLECTED HEAT OK – HARDY TO … Here in the landscapes of the desert southwest, ironwood serves as an excellent evergreen screen against unsightly views and provides cooling shade as it grows. An indicator species. Ironwood (Olneya tesota) FABACEAE Arbusto Palo de Fierro.JPG 2,560 × 1,920; 1.22 MB. Native to Sonoran Desert. Desert Ironwood. It is the only species in the monotypic genus Olneya. Category: Trees. It can grow in semi-shade (light woodland) or no shade. The reason for its common name becomes immediately apparent if you ever tap the trunk with your knuckles. Tree Size: 20-30 ft (6-10 m) tall, 1-2 ft (.3-.6 m) trunk diameter. General: Ironwood Trees (Olneya tesolata) are trees of desert washes that can grow to be quite large and old. Height & Spread: HEIGHT 20 TO 30 FEET – SPREAD 20 TO 30 FEET . Olneya tesota Desert Ironwood, Ironwood ID: 0091 3182 0735 0038 Glenn and Martha Vargas © 2002 California Academy of Sciences. Water Usage: LOW WATER USE. The leaves are compound with several lateral leaflets per leaf (even-1-pinnate). It is estimated that only one in one thousand trees show this pattern and even then, in only a small area of the tree. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Origin: Sonoran desert in … The trunk is gnarled, often several are produced as a result of trees being cut back by grazing or coppicing, they can have a diameter that often exceeds 45cm. It is the only species in the monotypic genus Olneya. Ironwood Forest National Monument in southern Arizona is named for Olneya tesota. Olneya Species, Ironwood Olneya tesota. Zone 9a/9b. This is from the rarest of ironwood trees. It is commonly found in the deserts of the Southwest, especially Arizona. Ironwood Forest National Monument in southern Arizona is named for Olneya tesota. Ironwood develops a thick, sometimes multiple-branched trunk. It measures 33 feet high, with a trunk circumference of 198 inches and a crown spread of 55 feet. Olneya tesota : Watercolor from live specimen found near New River, Maricopa Co., Arizona, 30 May 1993. View gallery. Scientific Name: Olneya tesota Common Name: Desert Ironwood Plant Characteristics. Olneya tesota (Desert ironwood). This clone is different from Olneya Tesota with its slightly faster growth rate, v-shaped upright form, and larger leaflets. Olneya tesota (Ironwood) This was last spring. Olneya tesota 'AZT' + Add: Desert Ironwood 'AZT : Previous Photo Next Photo Information by: Arid Zone Trees Photographer: Arid Zone Trees Description. Olneya tesota Taxonomy ID: 168542 (for references in articles please use NCBI:txid168542) current name. Observed at Papago Park in Phoenix, Arizona, USA. ), which is commonly known as ironwood or desert ironwood. This cold sensitive plant is found below 2500 feet (762 m) in elevation, which means that it grows on the west side of Tucson, but not on the higher elevation east side. The Sonoran Desert is located in southwestern Arizona, southern California, and the northwestern part of Mexico. Little or no water. Observation Search (269 records) Plant Characteristics. October 2011. Ironwood Tree Olneya Tesota This Arizona native is known around the world for its dense and heavy wood that is highly valued as quality firewood and as an exceptional woodworking material. Ironwood (4568854806).gif 800 × 782; 489 KB. Zone 9a/9b. Typically reaches a mature size of 20' x 20'. Welcome to my photo place. Flowers have purple wings and yellow or white petals. Desert ironwood Olneya tesota, a dicot, is a tree that is native to California, is also found outside of California, but is confined to western North America. Family: Fabaceae (fab-AY-see-ee) Genus: Olneya (OL-nee-yuh) Species: tesota (TES-oh-tuh) 5 members have or want this plant for trade. Pages in category "Olneya tesota" This category contains only the following page. An Olneya tesota in Riverside County is registered as a California Big Tree. The species is hermaphrodite (has both male and female organs). You are here: Home. It is a medium-sized, deciduous tree seen growing throughout areas in Arizona, Baja California and the Sonora Desert in California. Evergreen tree or large shrub, growing slowly to 15-30' tall; 15-25' spread. Photo originally added to the PlantFiles on April 3, 2005. Photo originally added to the PlantFiles on April 3, 2005. Olneya tesota $ 25.00 . This characteristic makes desert ironwood a very effective weapon. 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