Calochortus luteus |
Calochortus obispoensis |
|
---|---|---|
yellow mariposa, yellow mariposa lily |
San Luis mariposa-lily |
|
Habit | Plants usually bulbose; bulb coat fibrous-reticulate. | |
Stems | slender, 2–5 dm. |
slender, branching, straight, 3–6 dm. |
Leaves | basal withering, 1–2 dm; blade linear. |
basal withering, 2–3 dm; blade linear-lanceolate. |
Inflorescences | subumbellate, 1–4-flowered; bracts 1–8 cm. |
2–6-flowered. |
Flowers | erect; perianth open, campanulate; sepals lanceolate-oblong, attenuate, 2–3 cm; petals deep yellow, usually streaked red-brown proximally, often with median red-brown blotch, cuneate to obovate, 2–4 cm, with a few slender hairs near gland; glands ± lunate to oblong, not depressed, covered with short, matted hairs; filaments 7–9 mm; anthers linear-oblong, 4–6 mm, apex obtuse or acute. |
erect; perianth opening flat, campanulate; sepals often reflexed, lanceolate, 1–3 cm, glabrous, apex long-tapered; petals yellow to deep orange, purple-brown at tip, oblong-ovate, 1–2 cm, conspicuously bearded, margins fringed or dentate, apex fringed with hairy tufts; glands round, slightly depressed, glabrous, surrounded and obscured by ring of slender, dense hairs united at base; filaments 7–8 mm; anthers oblong, apex acute. |
Capsules | erect, lanceoloid-linear, angled, 3–6 cm. |
erect, linear, 3-angled, 3–4 cm, apex acute. |
Seeds | light beige, flat. |
light yellow, translucent. |
2n | = 14, 28. |
= 18. |
Calochortus luteus |
Calochortus obispoensis |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Heavy soils in grasslands, open woodlands, mixed evergreen forests | Dry stony hills, canyons, edge of chaparral, serpentine |
Elevation | 0–700 m (0–2300 ft) | 100–500 m (300–1600 ft) |
Distribution |
CA
|
CA |
Discussion | Coastal plants of Calochortus luteus are mostly triploid, while those of the interior are mostly diploid. Occasionally this species hybridizes with C. superbus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Calochortus obispoensis is restricted to San Luis Obispo County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 135. | FNA vol. 26, p. 141. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Mariposa lutea | |
Name authority | Douglas ex Lindley: Edwards’s Bot. Reg. 19: plate 1567. (1833) | Lemmon: Bot. Gaz. 11: 180. (1886) |
Web links |