| 词条 | Brickellia microphylla |
| 释义 |
|image_caption= var microphylla in Nevada |image = Brickellia microphylla var microphylla 5.jpg |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |subfamilia = Asteroideae |tribus = Eupatorieae |genus = Brickellia |species = B. microphylla |binomial = Brickellia microphylla |binomial_authority =(Nutt.) A.Gray |synonyms_ref=[1] |synonyms=
|}}Brickellia microphylla, known as the littleleaf brickellbush, is a flowering plant species in the daisy family native to western North America.[2][3] DistributionThe plant is widespread across much of the Western United States and Northwestern Mexico. It is found from California and Baja California east to New Mexico and Colorado, and north to Washington, Idaho, and Wyoming.[4][5] Brickellia microphylla var. scabra has a more eastern and southern distribution in the species' range, and grades into Brickellia microphylla var. microphylla in southern and central Utah and eastern California.[3]DescriptionBrickellia microphylla is a shrub {{convert|30|-|-70|cm|in}} in size.[3]It produces many small, pale yellow flower heads pale yellow, often purple-tinged.[3] They are often clumped together at the ends of branches.[6] The bloom period is July to October.[2] VarietiesVarieties, which can intergrade, include:[1][6]
References1. ^1 The Plant List, Brickellia microphylla (Nutt.) A. Gray 2. ^1 Calflora taxon report, University of California, Brickellia microphylla (Nutt.) A. Gray, little leaved brickellia, littleleaf brickellbush 3. ^1 2 3 Jepson Manual eFlora (TJM2) treatment of Brickellia microphylla 4. ^Biota of North America Program 2014 county distribution map 5. ^Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memirs 11: i–iv, 1–272 6. ^1 Flora of North America Brickellia microphylla (Nuttall) A. Gray 7. ^Calflora: Brickellia microphylla var. microphylla 8. ^Calflora: Brickellia microphylla var. scabra 9. ^USDA Plants: Brickellia microphylla var. watsonii External links
13 : Brickellia|Flora of the Northwestern United States|Flora of the Southwestern United States|Flora of Baja California|Flora of California|Flora of New Mexico|Flora of Sonora|Flora of the Great Basin|Natural history of the Mojave Desert|Natural history of the Transverse Ranges|Plants described in 1840|Taxa named by Asa Gray|Taxa named by Thomas Nuttall |
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