Calochortus nudus |
Calochortus lyallii |
|
---|---|---|
naked mariposa lily, naked star tulip, Shasta star-tulip |
Lyall's mariposa-lily |
|
Stems | usually not branching, 1–3 dm. |
not branching or with branch in axil of cauline leaf, straight, 1–5 dm. |
Leaves | basal persistent, 0.5–2 dm; blade lanceolate, tapering at base, flat, glabrous adaxially. |
basal solitary, persistent, 1–3 dm × 2–20 mm, usually not exceeding inflorescence; blade tapering toward both ends. |
Inflorescences | 1–several-flowered. |
subumbellate, 1–9-flowered; bracts 2–several, lanceolate to linear, attenuate, unequal, 1–5 cm; peduncle slender, becoming stiffly erect in fruit. |
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 or spreading; perianth open, campanulate; sepals white or purplish-tinged, usually with purple crescent, lanceolate, usually equaling petals, often adaxially papillose, apex acuminate to attenuate; petals white or purplish-tinged, usually with median, red-purple, adaxial crescent distal to gland, ovate to lanceolate, abruptly contracted at base into short, conspicuous claw, usually conspicuously fringed with long, slender hairs, adaxial surface ± papillose, bearing a few long hairs distal to claw, apex acute to acuminate; glands transversely oblong, depressed, arched upward, bordered proximally by narrower, crenate membrane, with short, thick hairs toward distal margin of enclosed surface, both fringe of lower membrane and hairs densely long-papillose; filaments basally dilated, ± equaling anthers; anthers oblong-lanceolate, apex acute to short-apiculate. |
Capsules | erect, 3-winged, 1–2 cm. |
erect, 3-winged, ellipsoid, base and apex acute. |
Seeds | light brown, irregular. |
irregular. |
2n | = 20. |
= 20. |
Calochortus nudus |
Calochortus lyallii |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Moist grassy areas, meadows, lake and bog margins | Dry slopes, open coniferous forests |
Elevation | 1200–2500 m (3900–8200 ft) | 300–1500 m (1000–4900 ft) |
Distribution |
CA; OR
|
WA; BC
|
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, p. 130. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nudus var. shastensis, C. shastensis | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 263. (1879) | Baker: J. Linn. Soc., Bot. 14: 305. (1874) |
Web links |