Calochortus argillosus |
Calochortus excavatus |
|
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clay mariposa, clay mariposa lily |
Inyo County star-tulip |
|
Habit | Plants bulbose; bulb coat membranous. | |
Stems | not branching, 4–6 dm. |
slender, not branching, 1–3 dm. |
Leaves | basal withering, 2–3 dm; blade linear. |
basal usually persistent, 1–2 dm; blade linear. |
Inflorescences | subumbellate, 1–4-flowers; bracts 2–8 cm. |
subumbellate, 1–4-flowered; bracts paired, 3–8 cm. |
Flowers | erect; perianth open, campanulate; sepals lanceolate, 2–4 cm, apex acute to acuminate; petals white to purple, with median red blotch often surrounded by pale yellow, obovate to cuneate, rounded, 2–4 cm, with a few short hairs near gland, apex retuse to obtuse; glands arched, transversely oblong to weakly lunate or ± rectangular, not depressed, densely covered with short hairs; filaments 7–9 mm; anthers lanceolate-linear to oblong, 8–10 mm, apex acute to 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, narrowly lanceoloid, stout, 4–6 cm. |
erect, brown, lanceoloid-linear, 3-angled, 2–3 cm. |
Seeds | light beige, lanceolate, flat, 5–6 mm. |
light beige, translucent, flat. |
2n | = 14. |
|
Calochortus argillosus |
Calochortus excavatus |
|
Phenology | Flowering late spring–mid summer. | Flowering spring. |
Habitat | Hard clay soil of volcanic or metamorphic rock | Grassy meadows in shadscale scrub |
Elevation | 0–400 m (0–1300 ft) | 1200–2000 m (3900–6600 ft) |
Distribution |
CA
|
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, p. 134. | FNA vol. 26, p. 137. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Mariposa argillosa | |
Name authority | (Hoover) Zebell & P. L. Fiedler: Madroño 39: 306. (1992) | Greene: Pittonia 2: 71. (1890) |
Web links |