Calochortus pulchellus

(Bentham) Alph. Wood

Proc. Acad. Nat. Sci. Philadelphia 20: 168. 1868.

Common names: Mount Diablo fairy lantern
IllustratedEndemicConservation concern
Basionym: Cyclobothra pulchella Bentham Trans. Hort. Soc. London, ser. 2, 1: 412, plate 14, fig. 1. 1835
Treatment appears in FNA Volume 26. Treatment on page 123. Mentioned on page 119.

Stems usually branching distal to base, 1–3 dm, not glaucous. Leaves: basal persistent, 1–4 dm; blade green, lanceolate, tapering at base, flat, not glaucous. Inflorescences 1–5-flowered. Flowers nodding; perianth closed at apex, ± globular; sepals spreading, yellow-green, ovate to lanceolate, 2–3 cm, glabrous, apex acuminate; petals pale yellow, lanceolate, 3–5 cm, conspicuously fringed with short, thick hairs, adaxial surface glabrous or sparsely hairy, apex obtuse; glands deeply depressed, bordered distally by long, slender hairs; filaments 6–8 mm; anthers oblong, 3–5 mm, apex obtuse or acute. Capsules nodding, winged, ellipsoid-oblong, 2–4 cm. Seeds dark brown, irregular. 2n = 20.

Phenology: Flowering late spring–early summer.
Habitat: Open places in woods, chaparral, typically on serpentine
Elevation: 200–800 m


Of conservation concern.

Calochortus pulchellus is known from Mt. Diablo, Contra Costa County.

Selected References


Lower Taxa

... more about "Calochortus pulchellus"
P. L. Fiedler +  and R. K. Zebell +
(Bentham) Alph. Wood +
Cyclobothra pulchella +
Mount Diablo fairy lantern +
200–800 m +
Open places in woods, chaparral, typically on serpentine +
Flowering late spring–early summer. +
Proc. Acad. Nat. Sci. Philadelphia +
Illustrated +, Endemic +  and Conservation concern +
Calochortus pulchellus +
Calochortus +
species +