Calochortus coeruleus, often misspelled as Calochortus caeruleus,ITIS Report: Orthographic variant, Calochortus caeruleus is a bulbous plant of the lily family. It is known by the common name beavertail grass or blue star tulip.Calflora taxon report, Calochortus coeruleus (Kellogg) S. Watson blue star tulip
Description The plant is endemic to California. It is found only in the North California Coast Ranges, Southern Cascade Range, and Northern Sierra Nevada.Flora of North America, Vol. 26 Page 124 Calochortus coeruleus (Kellogg) S. Watson
Calochortus coeruleus is a distinctive plant bearing flowers with light blue spade-shaped petals covered in brushlike hairs.
Taxonomy The botanical name Calochortus caeruleus is not accepted, being an orthographic variant (misspelling) of Calochortus coeruleus. Watson in coining the name in 1875 spelled it "caeruleus" but he also cited Kellogg's 1863 name Cyclobothra coerulea as basionym.
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External links
Calflora database: Calochortus coeruleus (blue star tulip) Jepson eFlora (TJM2) Treatment of ''Calochortus coeruleus Archived: Jepson Manual (TJM93) Treatment of Calochortus coeruleus USDA Plants Profile for Calochortus coeruleus (beavertail grass)