Calochortus excavatus is a species of flowering plant in the lily family known by the common name Inyo County star-tulip.[3][4]
| Calochortus excavatus | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Liliales |
| Family: | Liliaceae |
| Genus: | Calochortus |
| Species: | C. excavatus
|
| Binomial name | |
| Calochortus excavatus | |
| Synonyms[2] | |
|
Calochortus campestris Davidson | |
Distribution
editThe flowering plant is endemic to eastern California, where it is known from several reduced and threatened populations in Mono and Inyo Counties.[5] It occupies grassy habitats in alkaline Shadscale scrub plant communities, alongside Atriplex and other playa halophyte flora, primarily in Owens Valley.[4]
The species is listed as endangered, threatened by the loss of local groundwater.[6]
Description
editCalochortus excavatus is a perennial bulb, growing a slender unbranched stem to about 30 centimetres (12 in) in maximum height.[3]
The inflorescence bears 1 to 6 erect bell-shaped flowers in a close cluster. Each flower has three sepals which lack spotting, and three white petals. The petals may have green striping on their outer surfaces and generally have a red-purple blotch at the base. The anthers are reddish to purple.[3][7]
See also
editReferences
edit- ^ "NatureServe Explorer 2.0".
- ^ Kew World Checklist of Selected Plant Families
- ^ a b c Flora of North America
- ^ a b Calflora taxon report, Calochortus excavatus E. Greene, Inyo County star tulip
- ^ Biota of North America Program 2014 county distribution map
- ^ California Native Plant Society Inventory of Rare and Endangered Plants of California, Calochortus excavatus
- ^ Jepson Manual Treatment for Calochortus excavatus
External links
edit
- USDA Plants Profile of Calochortus excavatus (Inyo County star-tulip)
- Calochortus excavatus — Calphotos Photo gallery, University of California
- California Native Plant Society, Bristlecone Chaper, Calochortus excavatus, “Inyo County Star-tulip” photo and range iniformation
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