4 Search Results. These are the two most common species in the arid valleys of the Lower Colorado River Valley and therefore the most likely competitors for scarce water resources. Consider using other natives that do well in sunny, sandy sites, such as Nuttall's Scrub Oak (Quercus dumosa), Desertbells (Phacelia campanularia), or the Bristly Matilija Poppy (Romneya trichocalyx). Query: SELECT * FROM img WHERE ready=1 and taxon = "Ambrosia dumosa" ORDER BY taxon Click on the thumbnail to see an enlargement Ambrosia dumosa. Drainage channels are among the most conspicuous surficial features of deserts, but little quantitative analysis of their influence on plant distributions is available. dumosa Gaertneria dumosa (A.Gray) Kuntze Homonyms Ambrosia dumosa (A.Gray) Payne Common names Burrobush in language. Triangle leaf bur-sage : 2” by 2 . Gray) Payne – burrobush Subordinate Taxa. SPECIES: Ambrosia dumosa GENERAL BOTANICAL CHARACTERISTICS: Burrobush is a native, drought-deciduous rhizomatous shrub growing from 8 to 24 inches (20-60 cm) tall. Click below on a thumbnail map or name for species profiles. Bursage is the least ambiguous of the English vernacular names; the others are also applied to unrelated plants. In the current study, we investigated some of the geographic and genotypic dimensions of this recognition capability by using root observation chambers to observe the effects of encounters of individual roots on root elongation rates. Biota of North America Program 2014 county distribution map. Spanish name: estafiate. Send by email Printer-friendly version. Ambrosia dumosa (A. Natural disturbance processes probably did not involve periodic fire until non-native grasses became important. The plants bear inconspicuous staminate (male) and pistillate (female) flower heads on the same plant (monoecious flowering). Increasing cases in Mojave Desert as population grows from Joshua Tree, CA to Las Vegas, NV. Bursages are among the few plants that can pioneer exposed sites. On the surface ambrosias don’t seem to be very interesting. Phytochemistry 1969, 8 (1) , 145-150. All guests, including members, must reserve tickets in advance. In the northern edge of its range it is restricted to the warmer slopes above valley floors. Ambrosia dumosa has been studied to determine allelopathic … Hassler, M. 2018. Each subdivision of the Sonoran Desert has at least one common species of bursage that contributes subliminally to the visual character of the landscape. Plants are leafless in dry periods, which is most of the year in its habitat. Though it’s called a ragweed, the fruit is a bur. Ambrosia dumosa : White bur-sage . Nor do they seem to host many insects; they definitely do not rely on insects for pollination. This subshrub to about 2 feet (0.6 m) tall has small, white, deeply-divided leaves. Ragweed pollen is a common allergen.A single plant may produce about a billion grains of pollen per season, and the pollen is transported on the wind. They form a slender taproot or a creeping rhizome. And most species are so ordinary in appearance that they are rarely noticed despite their abundance throughout much of our desert. These are annuals, perennials and shrubs and subshrubs with erect, hispid stems growing in large clumps to a height of 75 – 90 cm. 2021 N. Kinney Rd., Tucson AZ 85743 U.S.A. The record derives from TICA (data supplied on 2012-02-11 ) which reports it as an accepted name (record 9191EBF3-B28C-4F1F-9146-9BCF90264DC4 ) with original publication details: J. Arnold Arbor. There are no related plants for species Ambrosia dumosa. Ambrosia dumosa. This plant has no children Legal Status. Tall shrubs such as Larrea tridentata occasionally occur in a poorly-defined stratum.Cylindropuntia acanthocarpa (= Opuntia acanthocarpa), Ephedra torreyana, and Encelia farinosa regularly occur in a sparse short-shrub layer. The stems are basally branched. Xeriscape plants (and a few oasis zone plants). In the drier parts of its range it occurs mainly in drainages and along roadsides where it receives extra water from runoff. Geissman, Sumu Matsueda. Scientific Name: Ambrosia L. (Asteraceae) dumosa Payne. Other studies have suggested that A. dumosa roots produce a chemical that causes them to grow away from conspecific roots, preventing competition for water resources. Triangleleaf bursage is a densely-branched subshrub to about 2 feet (0.6 m) tall with triangular, finely toothed, gray-green leaves. Ambrosia dumosa (A.Gray) W.W.Payne is an accepted name This name is the accepted name of a species in the genus Ambrosia (family Compositae ). Ambrosia dumosa in The Plant List Version 1.1. After pollination by wind, some species (the bursages) develop spiny fruits (burs) which are dispersed when they cling to the fur or feathers of passing animals. and A. Notes: Ambrosia dumosa, a dicot, is a shrub that is native to California and is also found outside of California, but is confined to western North America. Ambrosia dumosa has been studied to determine allelopathic interactions with creosote bush, Larrea tridentata, which produces a chemical that inhibits the growth of A. dumosa[citation needed]. Click here to review or comment on the identification. Ambrosia dumosa. Brief notes are included on habitat; livestock losses; and historic, food, and medicinal uses. This is a woody shrub to about 6 feet (1.8 m) tall with sparsely-branched, wand-like stems bearing large (to 7 inches, 18 cm long), broad, dark gray-green leaves. The seedlings of most desert plants cannot survive the extreme environmental conditions in exposed ground; they must start life in the shelter of another (nurse) plant. The leaves are lost in very dry periods. 1964. During this time it can still be recognized by the presence of longitudinal stripes on smaller stems.[7]. Accessed January 29 2018. Differences among populations were evident in A. dumosa, but not in H. salsola. Gray) Payne, were collected along a climatic gradient, germinated in a greenhouse and the plants tested for their vulnerability to cavitation by the air-pressure method. For your safety, our experience has been modified. O’odham used canyon ragweed in sweat baths to relieve arthritic pain. Some new constituents of Ambrosia species: A. psilostachya and A. acanthicarpa. Accessed: 2018 January 29. Ambrosia dumosa, a form of ragweed, is a highly branched shrub 20 to 90 cm in height. Value: Larrea tridentata - Ambrosia dumosa - Fouquieria splendens Association Label: Larrea tridentata - Ambrosia dumosa - Fouquieria splendens Association Description: Symbol: Style: esriSFSSolid Color: [255, 206, 138, 255] Outline: 45: 422. Seeds from different populations of two desert species, Hymenoclea salsola Torr. 21 Page 13 Bursage Ambrosia dumosa (A. The leaves are 0.5 to 4 cm long and also covered in soft gray-white hairs. This subshrub to about 2 feet (0.6 m) tall has small, white, deeply-divided leaves. Related Links. Burro weed, Burrobush, White bursage Ambrosia dumosa, a dicot, is a shrub that is native to California, is also found outside of California, but is confined to western North America. Published on the internet. Previous work has shown that the contact inhibition that occurs among roots of Ambrosia dumosa shrubs has a self/nonself recognition capability. Franseria dumosa A.Gray Franseria dumosa var. Gray and Ambrosia dumosa (A. Ambrosia psilostachya can do well in a variety of conditions, so the soil type of your garden will best inform which other plants to choose. Learn more. Native Introduced Native and Introduced. On some rocky bajadas nearly every bursage has several pincushions growing within its modest canopy. Gray) W. W. Payne, J. Arnold Arbor. It is a common constituent of the creosote-bush scrub community throughout the Mojave desert of California, Nevada, and Utah and the Sonoran Desert of Arizona and northwestern Mexico (Baja California, Baja California Sur, Sonora, Chihuahua).[3][4][5][6]. Related Plants. This article is about Burroweed (Ambrosia dumosa). Language ; white bursage, burro-weed, burrobush, rabbitbush Spanish name: Ambrosia (... A self/nonself recognition capability work has shown that the contact inhibition that occurs among roots of Ambrosia this true. Comparing our restoration to the visual character of the Sonoran Desert has at one. Click here to review or comment on the same plant ( monoecious flowering ) historic food... Corridor contained a central dirt road and buried aqueduct pipeline 2 ’ by 4 Asparagus. Is a subtropical shrub common throughout Sonora, southwestern Arizona, and burro bush ragweed is a general Description the. A member of the original vegetation ’ t seem to host many ;. Character of the Sonoran Desert region Sonoran Desert has at least one species. Parts of its limited ability to sprout mild Pacific coast of Baja California bursage contributes... 3 ], its inflorescence is yellow with staminate and pistillate headson a plant. To adapt and move into numerous environmental niches addition to burrow-weed, A. dumosa not! The leaves are 0.5 to 4 cm long and also covered in soft gray-white hairs Vegas, NV the. Detailed analyses of how intact Desert vegetation responds to elevated CO2 becomes alternate on... 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Desert species, half of all cases of pollen-associated allergic rhinitis in North America Program 2014 distribution!

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