Calochortus umbellatus |
Calochortus eurycarpus |
|
---|---|---|
Oakland mariposa lily, Oakland star-tulip |
big-pod mariposa, big-pod mariposa lily, white mariposa lily, wide-fruit mariposa lily |
|
Stems | usually branching, 8–25 cm, not bearing bulblets. |
not branching, straight, 1–5 dm. |
Leaves | basal persistent, 2–4 dm; blade lanceolate, flat; cauline usually present. |
basal persistent, subtended by inflorescence, 1–3 dm × 5–25 mm; blade flat, tapering toward both ends, becoming involute. |
Inflorescences | subumbellate, 3–12-flowered. |
subumbellate, 1–5-flowered; bracts 2 or more, narrowly lanceolate to linear, long-attenuate, unequal, 1–5 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 ovate to lanceolate, usually much shorter than petals, glabrous, apex acute to acuminate; petals creamy white to lavender, with conspicuous median red-purple adaxial blotch, obovate, invested near gland with few long, flexuous hairs, base cuneate, apex rounded or acute; glands triangular-lunate, slightly depressed, bordered proximally by comparatively narrow, deeply fringed membrane, distally often by narrower, crenate membranes, enclosed surface densely covered with long yellowish hairs, which, with membrane fringe, are often inconspicuously papillose; filaments slightly longer than anthers; anthers oblong, apex obtuse. |
Capsules | nodding, 3-winged, 1–2 cm. |
erect, 3-winged, ellipsoid-oblong. |
Seeds | dark brown, irregular. |
light beige. |
2n | = 20. |
= 20. |
Calochortus umbellatus |
Calochortus eurycarpus |
|
Phenology | Flowering early spring–early summer. | Flowering summer. |
Habitat | Openings in chaparral or woods, often on serpentine | Grasslands and open coniferous forests |
Elevation | 100–700 m (300–2300 ft) | 700–2700 m (2300–8900 ft) |
Distribution |
CA
|
ID; MT; NV; OR; WA; WY
|
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. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nitidus var. eurycarpus | |
Name authority | Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868) | S. Watson: Botany (Fortieth Parallel), 348. (1871) |
Web links |