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has spherical bur-like fruits ranging in color from golden to purple to brown. 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.
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Like other types of
Ambrosia, this is a ragweed, wind-blown pollen from burro-weed can cause serious allergic reactions. Increasing cases in Mojave Desert as the population grows from Joshua Tree, CA to Las Vegas, NV.
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or white bursage is a form of ragweed, is a highly branched shrub 20 to 90 cm in height. The younger stems are covered with soft gray-white hairs. Approximately
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roots produce a chemical that causes them to grow away from conspecific roots, preventing competition for water resources. In addition to burro-weed,
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and generally clustered on short branches. The leaves are 0.5 to 4 cm long and also covered in soft gray-white hairs.
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Flora of North
America Vol. 21 Page 13 Bursage Ambrosia dumosa (A. Gray) W. W. Payne, J. Arnold Arbor. 45: 422. 1964.
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becomes dormant during drought, losing all of its leaves to prevent water loss by transpiration;
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have many flowers and are 3 to 5 mm in diameter with a 5 to 8 lobed
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This article is about
Burroweed (Ambrosia dumosa). For other uses, see
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Biota of North
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329:, which produces a chemical that inhibits the growth of
504:(A. Gray) Payne Burrobush, burro weed, white bursage
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is also commonly called white bursage, and burrobush.
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592:— Calphotos Photo gallery, University of California
500:Calflora taxon report, University of California,
536:. Berkeley: University of California Press.
445:Tropicos, Ambrosia dumosa (A. Gray) W.W. Payne
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954:Flora of the Southwestern United States
559:C.Michael Hogan, species editor. 2010.
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979:Natural history of the Colorado Desert
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984:Natural history of the Mojave Desert
265:. It is a common constituent of the
532:Allen A.Schoenerr, Allen A. 1992.
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333:Other studies have suggested that
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370:Its inflorescence is yellow with
323:interactions with creosote bush,
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261:species of plants in the family
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882:urn:lsid:ipni.org:names:11056-2
534:A Natural History of California
515:Tropicos, specimen listing for
319:has been studied to determine
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974:Flora of the Sonoran Deserts
959:Flora of Northwestern Mexico
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16:Species of flowering plant
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269:community throughout the
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48:Scientific classification
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969:Flora of the Great Basin
403:are 2 flowered and lack
356:leaves are 1 to 3 times
989:Taxa named by Asa Gray
564:. Encyclopedia of Life
519:(A. Gray) W.W. Payne
605:at Wikimedia Commons
208:Franseria albicaulis
460:(A.Gray) W.W.Payne
303:Baja California Sur
267:creosote-bush scrub
21:Isocoma tenuisecta
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838:Open Tree of Life
615:Taxon identifiers
601:Media related to
422:drought deciduous
326:Larrea tridentata
293:and northwestern
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317:Ambrosia dumosa
299:Baja California
246:Ambrosia dumosa
235:(A.Gray) Kuntze
227:(A.Gray) Kuntze
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812:NatureServe
760:iNaturalist
647:Wikispecies
345:Description
91:Angiosperms
938:Categories
856:gcc-100971
851:Plant List
661:Calflora:
432:References
398:Pistillate
383:monoecious
376:pistillate
363:or deeply
331:A. dumosa.
275:California
263:Asteraceae
251:burro-weed
137:Asteraceae
726:250066050
394:involucre
387:Staminate
372:staminate
358:pinnately
339:A. dumosa
335:A. dumosa
311:Chihuahua
191:W.W.Payne
155:Species:
127:Asterales
61:Kingdom:
890:Tropicos
817:2.142727
791:10204600
632:Wikidata
405:corollas
361:compound
285:and the
199:Synonyms
148:Ambrosia
133:Family:
117:Asterids
104:Eudicots
921:1102731
895:2709269
843:3899827
830:1873156
778:11056-2
739:3110634
638:Q459410
379:headson
354:obovate
291:Arizona
143:Genus:
123:Order:
65:Plantae
864:PLANTS
752:103821
713:ambdum
710:FEIS:
690:468208
540:
307:Sonora
295:Mexico
281:, and
279:Nevada
249:, the
219:A.Gray
187:A.Gray
916:WoRMS
869:AMDU2
804:36506
786:IRMNG
765:75408
703:AMBDU
401:heads
390:heads
365:lobed
211:Torr.
111:Clade
98:Clade
85:Clade
72:Clade
877:POWO
825:NCBI
799:ITIS
773:IPNI
747:GRIN
734:GBIF
698:EPPO
677:CPP4
538:ISBN
374:and
283:Utah
257:, a
903:WFO
721:FNA
685:EoL
672:CoL
664:295
385:).
313:).
289:of
273:of
253:or
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525:^
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297:(
185:(
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
