| 词条 | Calochortus umbellatus |
| 释义 |
|image = Calochortus umbellatus.jpg |image_caption = |genus = Calochortus |species = umbellatus |authority = Alph.Wood 1868 not A. Nelson 1912 |synonyms_ref = [1] |synonyms = Calochortus collinus Lemmon }}Calochortus umbellatus is a flowering plant in the lily family found only in California in the United States.[2][3] The common name for this species is Oakland mariposa lily or Oakland star-tulip. The species is a California endemic of limited distribution.[4] It grows primarily in the San Francisco Bay Region with a few isolated populations in Humboldt, Mendocino, and Nevada Counties.[5]Calochortus umbellatus is a branching perennial herb up to 25 cm tall. Inflorescence is sub-umbellate with 3-10 white or pale pink flowers.[6] This species is included on the California Native Plant Society list 4.2 of rare and endangered plants.[7] References1. ^Kew World Checklist of Selected Plant Families {{Taxonbar|from=Q5023124}}{{Liliales-stub}}2. ^[https://www.biodiversitylibrary.org/page/26306287#page/176/mode/1up Wood, Alphonso 1868. Proceedings of the Academy of Natural Sciences of Philadelphia 20(6): 168] 3. ^Tropicos, Calochortus umbellatus Alph. Wood 4. ^Jepson Manual (1993) published by the University of California, Berkeley 5. ^Calflora taxon report, University of California @ Berkeley, Calochortus umbellatus Wood Oakland mariposa lily, Oakland star tulip 6. ^Flora of North America, Vol. 26 Page 127 Oakland star-tulip Calochortus umbellatus Alph. Wood 7. ^Calflora (2008) Calochortus umbellatus 3 : Calochortus|Plants described in 1868|Endemic flora of California |
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