Calochortus umbellatus

Calochortus umbellatus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Liliales
Family: Liliaceae
Genus: Calochortus
Species: C. umbellatus
Binomial name
Calochortus umbellatus
Alph.Wood 1868 not A. Nelson 1912
Synonyms[1]

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]

References

  1. ↑ Kew World Checklist of Selected Plant Families
  2. ↑ 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


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