Calochortus umbellatus |
Calochortus westonii |
|
---|---|---|
Oakland mariposa lily, Oakland star-tulip |
mariposa-lily, Shirley Meadows mariposa lily, Shirley Meadows star-tulip |
|
Stems | usually branching, 8–25 cm, not bearing bulblets. |
slender and delicate, not branching, 3–15 cm. |
Leaves | basal persistent, 2–4 dm; blade lanceolate, flat; cauline usually present. |
basal persistent, 1–2 dm; blade linear, flat. |
Inflorescences | subumbellate, 3–12-flowered. |
1–12-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 to spreading; perianth open, campanulate; sepals ca. 10 mm; petals white to light blue, lanceolate, 8–12 mm, ciliate only on margins, adaxial surface hairy only distal to gland, apex acute; glands slightly depressed, bordered proximally by ciliate membrane, distally by short hairs; anther apex acute to acuminate. |
Capsules | nodding, 3-winged, 1–2 cm. |
nodding, angled, 1–2 cm, apex acute. |
Seeds | dark brown, irregular. |
irregular. |
2n | = 20. |
|
Calochortus umbellatus |
Calochortus westonii |
|
Phenology | Flowering early spring–early summer. | Flowering late spring. |
Habitat | Openings in chaparral or woods, often on serpentine | Open places in woods, meadows |
Elevation | 100–700 m (300–2300 ft) | 1500–2000 m (4900–6600 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.) |
Of conservation concern. Calochortus westonii is known from the Greenhorn Mountains, Kern and Tulare counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 127. | FNA vol. 26, p. 125. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. coeruleus var. westonii | |
Name authority | Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868) | Eastwood: Proc. Calif. Acad. Sci., ser. 4, 20: 136. (1931) |
Web links |