| 词条 | Brickellia longifolia |
| 释义 |
|name = |image = Brickellia longifolia var longifolia 3.jpg |image_caption=Spring Mountains, Nevada |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |subfamilia = Asteroideae |tribus = Eupatorieae |genus = Brickellia |species = B. longifolia |binomial = Brickellia longifolia |binomial_authority = S.Watson |synonyms_ref=[1] |synonyms=Coleosanthus longifolius (S.Watson) Kuntze |}}Brickellia longifolia (longleaf brickellbush) is a shrub in the (sunflower family). It is found in the Colorado Plateau and Canyonlands region of the southwestern United States, in Arizona, Utah, Nevada, and western Colorado.[2]{{rp|139}}[3] Some authors consider the closely related Mojave Desert plants as a variety of B. longifolia[4][5] but others recognize it as a distinct species, B. multiflora.[6] DescriptionGrowth patternBrickellia longifolia is a densely branched shrub from {{convert|3|to|6|ft}} tall.[2]{{rp|139}} Leaves and stemsNarrow, stalkless leaves are {{convert|3/8|to|4+3/4|in|cm}} long and taper to a point.[2]{{rp|139}} Inflorescence and fruitBrickellia longifolia blooms from June to September.[2]{{rp|139}} Small green flowers are in clusters of 3-5 per head, with only disk flowers, and many clusters on a stalk that is elongated from the top of each branch.[2]{{rp|139}} Habitat and rangeIt can be found in moist areas near seeps and riparian areas in Southern Utah, with occurrences from California to Arizona.[2]{{rp|139}} References1. ^The Plant List, Brickellia longifolia S.Watson 2. ^1 2 3 4 5 Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, {{ISBN|978-0-7627-7013-7}} 3. ^Flora of North America, Brickellia longifolia S. Watson var. longifolia 4. ^Flora of North America, Brickellia longifolia S. Watson var. multiflora (Kellogg) Cronquist in A. Cronquist et al., Intermount. Fl. 5: 384. 1994. 5. ^Calflora taxon report, University of California, Brickellia longifolia S. Watson var. multiflora (Kellogg) Cronquist, longleaf brickellbush 6. ^The Plant List, Brickellia multiflora Kellogg External links
6 : Brickellia|Flora of the Southwestern United States|Flora of the California desert regions|Natural history of the Mojave Desert|Plants described in 1873|Taxa named by Sereno Watson |
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