Calochortus nudus |
Calochortus luteus |
|
---|---|---|
naked mariposa lily, naked star tulip, Shasta star-tulip |
yellow mariposa, yellow mariposa lily |
|
Stems | usually not branching, 1–3 dm. |
slender, 2–5 dm. |
Leaves | basal persistent, 0.5–2 dm; blade lanceolate, tapering at base, flat, glabrous adaxially. |
basal withering, 1–2 dm; blade linear. |
Inflorescences | 1–several-flowered. |
subumbellate, 1–4-flowered; bracts 1–8 cm. |
Flowers | erect; perianth open, campanulate; sepals lanceolate, 10–12 mm, glabrous, apex acuminate; petals pale lavender, widely obovate, 14–16 mm, adaxial surface ± glabrous, not ciliate; glands not deeply depressed, bordered proximally by wide, ciliate membranes; anthers linear-oblong, apex obtuse or acute. |
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. |
Capsules | erect, 3-winged, 1–2 cm. |
erect, lanceoloid-linear, angled, 3–6 cm. |
Seeds | light brown, irregular. |
light beige, flat. |
2n | = 20. |
= 14, 28. |
Calochortus nudus |
Calochortus luteus |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Moist grassy areas, meadows, lake and bog margins | Heavy soils in grasslands, open woodlands, mixed evergreen forests |
Elevation | 1200–2500 m (3900–8200 ft) | 0–700 m (0–2300 ft) |
Distribution |
CA; OR
|
CA
|
Discussion | Calochortus nudus hybridizes with C. minimus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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.) |
Source | FNA vol. 26, p. 128. | FNA vol. 26, p. 135. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nudus var. shastensis, C. shastensis | Mariposa lutea |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 263. (1879) | Douglas ex Lindley: Edwards’s Bot. Reg. 19: plate 1567. (1833) |
Web links |