Calochortus umbellatus |
Calochortus greenei |
|
---|---|---|
Oakland mariposa lily, Oakland star-tulip |
Greene's mariposa-lily |
|
Stems | usually branching, 8–25 cm, not bearing bulblets. |
usually branching, 1–3 dm. |
Leaves | basal persistent, 2–4 dm; blade lanceolate, flat; cauline usually present. |
basal persistent, ca. 2 dm; blade glabrous adaxially. |
Inflorescences | subumbellate, 3–12-flowered. |
1–5-flowered. |
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 25–30 mm; petals purplish, with darker purple abaxial crescent distal to gland, 30–40 mm, not ciliate at base, ± hairy; glands deeply depressed, bordered proximally by wide ciliate membrane, distally by short hairs. |
Capsules | nodding, 3-winged, 1–2 cm. |
erect, 3-winged, ellipsoid, 20–25 mm. |
Seeds | dark brown, irregular. |
irregular. |
2n | = 20. |
|
Calochortus umbellatus |
Calochortus greenei |
|
Phenology | Flowering early spring–early summer. | Flowering mid summer. |
Habitat | Openings in chaparral or woods, often on serpentine | Shrubby hillsides, open woodlands, dry soils and slopes |
Elevation | 100–700 m (300–2300 ft) | 700–1100 m (2300–3600 ft) |
Distribution |
CA
|
CA; OR |
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.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 127. | FNA vol. 26, p. 129. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868) | S. Watson: Proc. Amer. Acad. Arts 14: 264. (1879) |
Web links |