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). Ambrosia dumosa. See more ideas about xeriscape plants, xeriscape, tucson sunset. Published on the internet. [7][3], Ambrosia dumosa becomes dormant during drought, losing all of its leaves to prevent water loss by transpiration; drought deciduous. This species is characteristic of Arizona Upland desert, where it is often the dominant understory plant. Send by email Printer-friendly version. DOI: 10.1016/S0031-9422(00)85806-9. We studied recovery of 21 perennial plant species along a severely disturbed aqueduct corridor in a Larrea tridentata-Ambrosia dumosa plant alliance in the Mojave Desert 36 years after construction. Query: SELECT * FROM img WHERE ready=1 and taxon = "Ambrosia dumosa" ORDER BY taxon Click on the thumbnail to see an enlargement 21 Page 13 Bursage Ambrosia dumosa (A. Canyon ragweed (A. ambrosioides) is a fairly tropical, big-leafed species of somewhat moist habitats that seems to require some summer rain, while white bursage (A. dumosa) rivals creosote bush as the most arid-adapted perennial in North America where rainfall is mostly in winter, and summers are brutally hot. For other uses, see, Tropicos, Ambrosia dumosa (A. 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. Each subdivision of the Sonoran Desert has at least one common species of bursage that contributes subliminally to the visual character of the landscape. They form a slender taproot or a creeping rhizome. Differences among populations were evident in A. dumosa, but not in H. salsola. Learn more. Published online. The copious wind-borne pollen is highly allergenic and a major cause of hay fever. Among the plants sheltered by this bursage is the local pincushion cactus, Mammillaria grahamii. Ambrosia dumosa (A. The Plant List 2013. Along with microscopic hairs, the fruit has 12 to 35 flat and straight spines which are 5 to 9 mm in length and scattered over the surface. English names: triangleleaf bursage, burrobush, rabbitbush Ambrosia artemisiifolia Allergy medicine Any of the weedy composite herbs of family Compositae, the pollen from which is highly allergenic Diagnosis Bronchial provocation testing, in which pollen is inhaled through a dosimeter Management Avoid pollen, stay indoors, cromolyn, antihistamines, sympathomimetics, theophylline, corticosteroids Drug slang A street term for low quality marijuana or … These are annuals, perennials and shrubs and subshrubs with erect, hispid stems growing in large clumps to a height of 75 – 90 cm. Triangle leaf bur-sage : 2” by 2 . Missouri Botanical Garden. Ambrosia dumosa primarily re-establishes from seed from off-site sources after fire (Vasek 1979, 1983, McAuliffe 1988, Hunter 1989). There is also a disjunct population in Durango, Mexico. 4 Search Results. In addition to burrow-weed, A. dumosa is also commonly called bur sage, burro weed, and burro bush. The leaves are 0.5 to 4 cm long and also covered in soft gray-white hairs. In our particular type of Sonoran Desertscrub called Arizona Upland, about half the ground’s surface is covered by small shrubs. It is likely that many other plants have similar interactions, but we still know very little about what is going on within the soil. But on closer inspection, these plants reveal themselves to be essential, crucial species of the Sonoran Desert. Triangleleaf bursage is a densely-branched subshrub to about 2 feet (0.6 m) tall with triangular, finely toothed, gray-green leaves. Canyon ragweed is a subtropical shrub common throughout Sonora, southwestern Arizona, and the southern half of Baja California. Plant Distribution. A Large Image of Ambrosia dumosa (burrobush) from the USDA PLANTS database : Name Search: name search type enter a search name. Nursery Availability 1 - 4 of 4. The 97-m wide corridor contained a central dirt road and buried aqueduct pipeline. It flowers in late winter to spring, depending on rainfall. It flowers in late winter into spring and occasionally at other times. Native Introduced Native and Introduced. 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. Taxonomy. Related Plants. Abstract. It flowers from late winter into spring, with burs ripening in late spring. Like other types of Ambrosia this is a ragweed, wind blown pollen from burro-weed can cause serious allergic reactions. Species. 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. Bursages are vitally important to the community as nurse plants. Don’t confuse it with the plant more commonly called rabbitbrush, Chrysothamnus nauseosus, which flowers only in the fall and is much less allergenic. Approximately obovate leaves are 1 to 3 times pinnately compound or deeply lobed and generally clustered on short branches. Bursages are among the few plants that can pioneer exposed sites. Despite the abundance of bursages and ragweeds, few vertebrates browse them. Productivity of aridland plants is predicted to increase substantially with rising atmospheric carbon dioxide (CO2) concentrations due to enhancement in plant water-use efficiency (WUE). In the northern edge of its range it is restricted to the warmer slopes above valley floors. There are no related plants for species Ambrosia dumosa. And most species are so ordinary in appearance that they are rarely noticed despite their abundance throughout much of our desert. These and other small shrubs greatly contribute to the base color and texture of the terrain. Biota of North America Program 2014 county distribution map. Click below on a thumbnail map or name for species profiles. Ambrosia dumosa. Though it’s called a ragweed, the fruit is a bur. Pistillate heads are 2 flowered and lack corollas. Over the following centuries they may be replaced by a series of other species that establish under one another’s canopies. Accessed: 2018 January 29. Ambrosia dumosa : White bur-sage . Spanish names: chicurilla, hierba del burro (burro herb), huizapol. Spanish name: estafiate. Ambrosia is a mostly American genus of about 24 species, half of which occur in the Sonoran Desert region. On the surface ambrosias don’t seem to be very interesting. Scientific Name: Ambrosia L. (Asteraceae) dumosa Payne. And here’s hoping you’ll never think of bursages as just drab little allergenic bushes again. Its many slender, stiff branches form a compact, hemispherical crown [ 14 , 41 ]. The Arizona-Sonora Desert Museum has always endeavored to restore the natural areas of its grounds disturbed by construction, our goal being to do it so well that no one could detect that humans had ever even walked on that spot, let alone cleared and trenched through it. The plants bear inconspicuous staminate (male) and pistillate (female) flower heads on the same plant (monoecious flowering). [3], Its inflorescence is yellow with staminate and pistillate headson a single plant (monoecious). Related Links. 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]. Virtually nothing eats them. Tropicos.org 2018. Constituents of diploid and polyploid Ambrosia dumosa … Accessed January 29 2018. This is true for many Great Plains plants whose history of use by native peoples has, unfortunately, been lost. Hollyleaf bursage (A. ilicifolia), a bursage with especially attractive foliage, grows in the wetter microhabitats within the hottest, most arid parts of the Sonoran Desert. Spanish name: chicura. Xeriscape plants (and a few oasis zone plants). T.A. The stems are basally branched. Gray) W.W. Payne. Nor do they seem to host many insects; they definitely do not rely on insects for pollination. Flora of North America Vol. This subshrub to about 2 feet (0.6 m) tall has small, white, deeply-divided leaves. Sesquiterpene lactones. Recent research shows that the growth of bursage roots are inhibited by secretions of creosote bush roots. The cactus Opuntia basilaris is commonly found in the dwarf-shrub layer. Ambrosia species Ambrosia dumosa Name Synonyms Franseria albicaulis Torr. White sage : 2’ by 4’ Asparagus densiflorus ‘Sprengeri” Sprenger asparagus . Name Language; white bursage: English (US) Propose photo. 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. Seeds from different populations of two desert species, Hymenoclea salsola Torr. They are wind-pollinated, so they need no animal allies for reproduction. Published on the internet. For your safety, our experience has been modified. Click here to review or comment on the identification. Jun 23, 2019 - Some native, some not. Drainage channels are among the most conspicuous surficial features of deserts, but little quantitative analysis of their influence on plant distributions is available. Though it can be confused with brittlebush when not in flower; this bursage is a smaller plant with smaller, duller gray leaves. and A. 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. Franseria dumosa A.Gray Franseria dumosa var. 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. Bursage is the least ambiguous of the English vernacular names; the others are also applied to unrelated plants. Ambrosia dumosa in The Plant List Version 1.1. 2’ by 4’ Baccharis spp. Ambrosia dumosa is not well-adapted to fire because of its limited ability to sprout. Ambrosia dumosa. They spread hot coals on flat ground and covered them with a layer of ragweed leaves, then laid the afflicted person atop them and covered him or her with a blanket. Accessed: 2018 January 29. Value: Yucca schidigera - Larrea tridentata - Ambrosia dumosa Association Label: Yucca schidigera - Larrea tridentata - Ambrosia dumosa Association Description: Symbol: Style: esriSFSSolid Color: [176, 131, 109, 255] Outline: This plant has no children Legal Status. In the drier parts of its range it occurs mainly in drainages and along roadsides where it receives extra water from runoff. Our first attempts were dismal. Wetland Status. Gray and Ambrosia dumosa (A. About White Bursage (Ambrosia dumosa) 5 Nurseries Carry This Plant Add to My Plant List; Ambrosia dumosa, the burro-weed or white bursage, 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. The photographer's identification Ambrosia dumosa has not been reviewed. On some rocky bajadas nearly every bursage has several pincushions growing within its modest canopy. 45: 422. What follows is a general description for the genus Ambrosia. Technical Abstract: Foliar 15N ratios (del15N), % N, and canopy volumes were measured in the two Mojave Desert dominant shrubs, the evergreen Larrea tridentata and drought deciduous Ambrosia dumosa growing across a geomorphically determined soil mosaic. Plants are leafless in dry periods, which is most of the year in its habitat. 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. Hassler, M. 2018. This subshrub to about 2 feet (0.6 m) tall has small, white, deeply-divided leaves. Phytochemistry 1969, 8 (1) , 145-150. SPECIES: Ambrosia dumosa GENERAL BOTANICAL CHARACTERISTICS: Burrobush is a native, drought-deciduous rhizomatous shrub growing from 8 to 24 inches (20-60 cm) tall. Upon comparing our restoration to the adjacent undisturbed ground, we recognized that we had replaced less than a quarter of the original vegetation. Today we are proud of our undetectable desert restoration efforts, and commercial nurseries propagate tens of thousands of bursage plants for use in desert revegetation projects. Staminate heads have many flowers and are 3 to 5 mm in diameter with a 5 to 8 lobed involucre. The younger stems are covered with soft gray-white hairs. Preferred name: Ambrosia dumosa ; Authority: (A.Gray) W.W.Payne ; Common names. Ambrosia chenopodifolia grows on the mild Pacific coast of Baja California under a winter rainfall regime. 1964. Masks are required at all times. Plants are leafless in dry periods, which is most of the year in its habitat. A. dumosa has spherical bur-like fruits ranging in color from golden to purple to brown. Floristics: Ambrosia dumosa dominates the dwarf-shrub layer and characterizes this vegetation type. Ambrosia dumosa has been studied to determine allelopathic … Observation Search (2480 records) Plant Characteristics. Triangleleaf bursage lives as long as 50 years. It can form dense thickets in low washes or canyons throughout the North American deserts, but you’ll only find it in two locations in Joshua Tree National Park. 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: English name: canyon ragweed, bursage For one possible scenario, imagine a bursage growing today being replaced by another in mid-century, then by a barrel cactus in the 22nd century, a creosote bush in the 23rd, a foothill palo verde in the 26th, and a saguaro in the 27th. 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. It also occurs in the eastern portion of the Lower Colorado River Valley subdivision and in a few localities in Baja California. Although we had restored the land contours, replanted the cacti and trees, and painstakingly replaced the surface rocks right-side-up and partly buried, the site still looked devastated. English names: white bursage, burro-weed, burrobush 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. it … Previous work has shown that the contact inhibition that occurs among roots of Ambrosia dumosa shrubs has a self/nonself recognition capability. 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. Perhaps even more interesting is the finding that the roots of different bursage plants seem able to detect one another and respond by growing in different soil volumes. 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]. 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. 2’ by 3’ Artemisia ludoviciana . The foliage is grayish to silvery green with bipinnatifid, deeply lobed leaves with winged petioles. But in the case of Ambrosia coronopifolia, the leaves are simple. Sesquiterpene lactones. Bursages and ragweeds are mostly inconspicuous shrubs and subshrubs (although some are herbaceous perennials), with tiny to fairly large, usually grayish, leaves. The Plants Database includes the following 25 species of Ambrosia . O’odham used canyon ragweed in sweat baths to relieve arthritic pain. Ambrosia dumosa December–June ... Like many other members of this genus, arrowweed has a unique scent and was used for a variety of medicinal purposes. English names: white bursage, burro-weed, burrobush Spanish names: chicurilla, hierba del burro (burro herb), huizapol Description. Ambrosia is a monoecious plant, i.e. We’re open! This and other bursages are called burrobush and rabbitbush in pollen reports. During this time it can still be recognized by the presence of longitudinal stripes on smaller stems.[7]. However, to date, there are few detailed analyses of how intact desert vegetation responds to elevated CO2. Ambrosia dumosa. Natural disturbance processes probably did not involve periodic fire until non-native grasses became important. This third edition contains additional refinements in the nomenclature, distribution, illustrations, and descriptions of plants. [3], Ambrosia dumosa has spherical bur-like fruits ranging in color from golden to purple to brown. Medicinal aloe : 2” by 2” Aloe saponaria : Tiger aloe . Gray) W. W. Payne, J. Arnold Arbor. In the parched flats of the Lower Colorado River Valley white bursage and creosote bush are often the only perennial species. Geissman, Sumu Matsueda. The leaves are lost in very dry periods. Visualize that saguaro producing its first flowers in the year 2670 and you begin to grasp the time-scale on which desert communities function. Ambrosia dumosa, a form of ragweed, is a highly branched shrub 20 to 90 cm in height. 2021 N. Kinney Rd., Tucson AZ 85743 U.S.A. Increasing cases in Mojave Desert as population grows from Joshua Tree, CA to Las Vegas, NV. White bursage is common in the driest areas of the Sonoran Desert and southern Mohave Desert. At the Desert Museum the dominant small-shrub species is triangleleaf bursage. Brief notes are included on habitat; livestock losses; and historic, food, and medicinal uses. Other Representative Genera in the Composite Family. Gray) Payne. Calflora taxon report, University of California, Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN), University of Texas, https://en.wikipedia.org/w/index.php?title=Ambrosia_dumosa&oldid=825863406, Articles with unsourced statements from September 2010, Creative Commons Attribution-ShareAlike License, This page was last edited on 15 February 2018, at 21:31. Ambrosia dumosa (A. Some new constituents of Ambrosia species: A. psilostachya and A. acanthicarpa. Disclaimer: The information provided here was gathered from research literature published by other organizations. The wide range of this group reflects the bursages’ ability to adapt and move into numerous environmental niches. dumosa Gaertneria dumosa (A.Gray) Kuntze Homonyms Ambrosia dumosa (A.Gray) Payne Common names Burrobush in language. 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, the burro-weed or white bursage, a North American species of plants in the sunflower family. Ambrosia dumosa. The leaf arrangement is opposite at the base, but becomes alternate higher on the stem. Common culprits are common ragweed (A. artemisiifolia) and great ragweed (A. trifida). It causes about half of all cases of pollen-associated allergic rhinitis in North America, where ragweeds are most abundant and diverse. Following the systematics of several authorities, this review uses the scientific name Bromus madritensis L. for compact brome and Bromus rubens L. for red brome [36,47,49,80,82 ... (Ambrosia dumosa), winterfat (Krascheninnikovia lanata), white burrobush, and Anderson wolfberry (Lycium andersonii). Triangleleaf bursage (Ambrosia deltoidea) grows abundantly among saguaro cacti and palo verde trees where some rain falls in both winter and summer. 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. Interpreting Wetland Status. In Arizona Upland desert it grows in the fine soils of the valleys; in contrast, triangleleaf bursage grows on rocky or caliche soils. 1” by 1” Ambrosia deltoidea . This article is about Burroweed (Ambrosia dumosa). All guests, including members, must reserve tickets in advance. 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. 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Less than a quarter of the original vegetation CA to Las Vegas,.! Compound or deeply lobed and generally clustered on short branches bursage has several pincushions growing within modest. Distribution, illustrations, and descriptions of plants ranging in color from golden to purple to brown, burs... Causes about half the ground ’ s called a ragweed, is a member of the Sonoran Desert and Mohave! With soft gray-white hairs, 41 ] on habitat ; livestock losses ; historic... Are common ragweed ( A. trifida ) population grows from Joshua Tree, CA to Las,! Includes the following 25 species of the year in its habitat it causes about half of which occur the... Flats of the Sonoran Desert has at least one common species of Ambrosia coronopifolia, the fruit is a Description... Previous work has shown that the growth of bursage that contributes subliminally to the warmer slopes above Valley.... And here ’ s called a ragweed, the leaves are 0.5 to 4 cm long also... Southern Mohave Desert many flowers and are 3 to 5 mm in diameter with 5.