Calochortus umbellatus |
Calochortus excavatus |
|
---|---|---|
Oakland mariposa lily, Oakland star-tulip |
Inyo County star-tulip |
|
Stems | usually branching, 8–25 cm, not bearing bulblets. |
slender, not branching, 1–3 dm. |
Leaves | basal persistent, 2–4 dm; blade lanceolate, flat; cauline usually present. |
basal usually persistent, 1–2 dm; blade linear. |
Inflorescences | subumbellate, 3–12-flowered. |
subumbellate, 1–4-flowered; bracts paired, 3–8 cm. |
Flowers | ± erect; perianth open, campanulate; sepals 10–14 mm; petals white to pale pink, usually with purple blotch near gland, widely obovate to cuneate, 12–18 mm, adaxial surface not ciliate, ± glabrous, margins irregularly dentate distally; glands basally convex, covered by broad, ciliate membrane, bordered distally by short hairs; filaments longer than anthers; anthers oblong, apex acute or obtuse. |
erect; perianth open, campanulate; sepals lanceolate, 2–3 cm, apex acuminate; petals lavender, with longitudinal median abaxial green stripe, with or without blotches, broadly cuneate to obovate, 3–4 cm, with a few short hairs near gland; glands round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, distally branching hairs; filaments 6–8 mm; anthers red-brown, oblong, 7–10 mm, apex obtuse. |
Capsules | nodding, 3-winged, 1–2 cm. |
erect, brown, lanceoloid-linear, 3-angled, 2–3 cm. |
Seeds | dark brown, irregular. |
light beige, translucent, flat. |
2n | = 20. |
|
Calochortus umbellatus |
Calochortus excavatus |
|
Phenology | Flowering early spring–early summer. | Flowering spring. |
Habitat | Openings in chaparral or woods, often on serpentine | Grassy meadows in shadscale scrub |
Elevation | 100–700 m (300–2300 ft) | 1200–2000 m (3900–6600 ft) |
Distribution |
CA
|
CA |
Discussion | Calochortus umbellatus grows around San Francisco Bay. It is reported also from Lake County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Calochortus excavatus is found only in the eastern Sierra Nevada in Mono and Inyo counties. It is threatened by groundwater depletion. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 127. | FNA vol. 26, p. 137. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868) | Greene: Pittonia 2: 71. (1890) |
Web links |