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|Family: Liliaceae||View Description||Dichotomous Key|
|Genus: Calochortus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Calochortus luteus Lindl.
Stem: 20--50 cm, slender, bulblets present. Leaf: basal 10--20 cm, narrowly linear, withering. Inflorescence: +- umbel-like; flowers 1--7, erect; bracts 1--8 cm. Flower: perianth bell-shaped; sepals 20--30 mm, lanceolate, long acuminate; petals 20--40 mm, deep yellow, generally lined red-brown adaxially, often with central red-brown blotch adaxially, sparsely slender-hairy near nectary, nectary not depressed, +- crescent-shaped to oblong, densely matted-short-hairy; filaments 7--9 mm, anthers 4--6 mm, linear-oblong, white to light yellow. Fruit: erect, 3--6 cm, narrowly lanceolate, angled, tip long-tapered. Seed: flat, tan or light yellow, net-like. Chromosomes: 2n=14,20,21.
Ecology: Heavy soils in grassland, woodland, mixed-evergreen forest; Elevation: < 700 m. Bioregional Distribution: c&s NW, CaR, SNF, GV, CW, n ChI; Distribution Outside California: southwestern Oregon. Flowering Time: Apr--Jun Note: Hybridizes with Calochortus superbus. Flowers highly variable.
Unabridged Note: Interior plants generally n=7; coastal plants generally n=10.
eFlora Treatment Author: Peggy L. Fiedler
Jepson Online Interchange
Previous taxon: Calochortus longebarbatus var. longebarbatus
Next taxon: Calochortus macrocarpus
Citation for this treatment: Peggy L. Fiedler 2017. Calochortus luteus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=16737, accessed on April 30, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 30, 2017.