Calochortus eurycarpus |
Calochortus excavatus |
|
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big-pod mariposa, big-pod mariposa lily, white mariposa lily, wide-fruit mariposa lily |
Inyo County star-tulip |
|
Stems | not branching, straight, 1–5 dm. |
slender, not branching, 1–3 dm. |
Leaves | basal persistent, subtended by inflorescence, 1–3 dm × 5–25 mm; blade flat, tapering toward both ends, becoming involute. |
basal usually persistent, 1–2 dm; blade linear. |
Inflorescences | subumbellate, 1–5-flowered; bracts 2 or more, narrowly lanceolate to linear, long-attenuate, unequal, 1–5 cm. |
subumbellate, 1–4-flowered; bracts paired, 3–8 cm. |
Flowers | 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. |
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 | erect, 3-winged, ellipsoid-oblong. |
erect, brown, lanceoloid-linear, 3-angled, 2–3 cm. |
Seeds | light beige. |
light beige, translucent, flat. |
2n | = 20. |
|
Calochortus eurycarpus |
Calochortus excavatus |
|
Phenology | Flowering summer. | Flowering spring. |
Habitat | Grasslands and open coniferous forests | Grassy meadows in shadscale scrub |
Elevation | 700–2700 m (2300–8900 ft) | 1200–2000 m (3900–6600 ft) |
Distribution |
ID; MT; NV; OR; WA; WY
|
CA |
Discussion | 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. | FNA vol. 26, p. 137. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nitidus var. eurycarpus | |
Name authority | S. Watson: Botany (Fortieth Parallel), 348. (1871) | Greene: Pittonia 2: 71. (1890) |
Web links |