Calochortus lyallii |
Calochortus nuttallii |
|
---|---|---|
Lyall's mariposa-lily |
sego-lily |
|
Habit | Plants usually bulbose; bulb coat, when present, membranous. | |
Stems | not branching or with branch in axil of cauline leaf, straight, 1–5 dm. |
usually not branching or twisted, straight, 1.5–4.5 dm. |
Leaves | basal solitary, persistent, 1–3 dm × 2–20 mm, usually not exceeding inflorescence; blade tapering toward both ends. |
blade linear, becoming involute; basal withering. |
Inflorescences | subumbellate, 1–9-flowered; bracts 2–several, lanceolate to linear, attenuate, unequal, 1–5 cm; peduncle slender, becoming stiffly erect in fruit. |
subumbellate, 1–4-flowered; bracts congested, unequal. |
Flowers | 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. |
erect; perianth open, campanulate; sepals marked similar to petals, usually shorter, lanceolate, glabrous, apex acuminate; petals white, tinged with lilac or infrequently magenta, yellow at base, with reddish brown or purple band or blotch distal to gland, broadly obovate, cuneate, sparsely invested near gland with slender hairs, apex usually short-acuminate; glands round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, unbranched or distally branching hairs; filaments ca. equaling anthers; anthers yellowish or pinkish, oblong, apex obtuse. |
Capsules | erect, 3-winged, ellipsoid, base and apex acute. |
erect, linear-lanceoloid, 3-angled, apex acuminate. |
Seeds | irregular. |
flat. |
2n | = 20. |
= 16. |
Calochortus lyallii |
Calochortus nuttallii |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–late summer. |
Habitat | Dry slopes, open coniferous forests | Dry soils |
Elevation | 300–1500 m (1000–4900 ft) | 700–3300 m (2300–10800 ft) |
Distribution |
WA; BC
|
AZ; CO; ID; MT; ND; NE; NM; NV; SD; UT; WY
|
Source | FNA vol. 26, p. 130. | FNA vol. 26, p. 136. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | Baker: J. Linn. Soc., Bot. 14: 305. (1874) | Torrey: in H. Stansbury, Exped. Great Salt Lake, 397. (1852) |
Web links |