Calochortus nudus |
Calochortus ambiguus |
|
---|---|---|
naked mariposa lily, naked star tulip, Shasta star-tulip |
doubting mariposa lily |
|
Habit | Plants often bulbose; bulb coat membranous. | |
Stems | usually not branching, 1–3 dm. |
usually branching, straight. |
Leaves | basal persistent, 0.5–2 dm; blade lanceolate, tapering at base, flat, glabrous adaxially. |
basal withering; blade linear-attenuate. |
Inflorescences | 1–several-flowered. |
subumbellate, 1–4-flowered. |
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 pinkish or bluish gray, infrequently with longitudinal gray stripe, open, campanulate; sepals invested near gland, with yellowish, distally enlarged or branching, gland-tipped hairs, base sometimes marked with dull purple, apex acuminate; petals with median blotch usually surrounded by yellow zone, ± equaling sepals, base sometimes marked with dull purple; glands round to lunate, depressed, surrounded with narrow, deeply fringed membrane, densely covered with short, distally branching hairs; filaments shorter than anthers; anthers oblong-lanceolate, apex obtuse to acute. |
Capsules | erect, 3-winged, 1–2 cm. |
erect, linear-oblong, 3-angled, apex acute. |
Seeds | light brown, irregular. |
flat. |
2n | = 20. |
= 18. |
Calochortus nudus |
Calochortus ambiguus |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–summer. |
Habitat | Moist grassy areas, meadows, lake and bog margins | Dry soils |
Elevation | 1200–2500 m (3900–8200 ft) | 1100–2700 m (3600–8900 ft) |
Distribution |
CA; OR
|
AZ; NM; UT
|
Discussion | Calochortus nudus hybridizes with C. minimus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 128. | FNA vol. 26. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nudus var. shastensis, C. shastensis | C. watsonii var. ambiguus |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 263. (1879) | (M. E. Jones) Ownbey: Ann. Missouri Bot. Gard. 27: 505. (1940) |
Web links |