Calochortus umbellatus |
Calochortus vestae |
|
---|---|---|
Oakland mariposa lily, Oakland star-tulip |
Coast Range mariposa lily |
|
Habit | Plants strongly bulbose; bulb coat membranous. | |
Stems | usually branching, 8–25 cm, not bearing bulblets. |
usually branching, straight, 3–5 dm. |
Leaves | basal persistent, 2–4 dm; blade lanceolate, flat; cauline usually present. |
basal withering, 1–2 dm; blade linear. |
Inflorescences | subumbellate, 3–12-flowered. |
subumbellate, 1–3-flowered; bracts 2–5 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 linear-lanceolate, attenuate, 2–3 cm; petals white to purplish, streaked red to purple proximal to gland, with median red-brown blotch surrounded by pale yellow zone, cuneate to obovate, 3–4 cm, with a few short hairs near gland, apex rounded; glands ± doubly lunate, not depressed, densely covered with short hairs; filaments equaling anthers; anthers oblong-linear, apex obtuse or acute. |
Capsules | nodding, 3-winged, 1–2 cm. |
erect, linear, angled, 4–7 cm, apex acute. |
Seeds | dark brown, irregular. |
light beige, flat, 4–6 mm. |
2n | = 20. |
= 28. |
Calochortus umbellatus |
Calochortus vestae |
|
Phenology | Flowering early spring–early summer. | Flowering late spring–mid summer. |
Habitat | Openings in chaparral or woods, often on serpentine | Heavy clay soils in mixed evergreen and pine forests |
Elevation | 100–700 m (300–2300 ft) | 500–900 m (1600–3000 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.) |
|
Source | FNA vol. 26, p. 127. | FNA vol. 26, p. 135. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868) | Purdy: Gard. Chron., ser. 3, 18: 14. (1895) |
Web links |