Calochortus lyallii |
Calochortus aureus |
|
---|---|---|
Lyall's mariposa-lily |
golden mariposa 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, 1–3 dm. |
Leaves | basal solitary, persistent, 1–3 dm × 2–20 mm, usually not exceeding inflorescence; blade tapering toward both ends. |
basal withering, 1–2 dm; blade linear. |
Inflorescences | subumbellate, 1–9-flowered; bracts 2–several, lanceolate to linear, attenuate, unequal, 1–5 cm; peduncle slender, becoming stiffly erect in fruit. |
erect, subumbellate, 1–4-flowered; bracts unequal at base of inflorescence, 1–6 cm. |
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 with maroon blotch distal to gland, broadly lanceolate, 1–4 cm, apex acuminate; petals lemon yellow, with maroon blotch distal to gland, broadly obovate, cuneate, 3–3.5 cm, ± glabrous or with a few lemon-yellow hairs near gland; glands round, depressed, surrounded by conspicuously fringed membranes, densely covered with short, unbranched or distally branching hairs; filaments ca. equaling anthers; anthers yellowish cream, oblong, apex obtuse. |
Capsules | erect, 3-winged, ellipsoid, base and apex acute. |
erect, light tan to light brown, linear-lanceoloid, 3-angled, ca. 2.5–5 cm, apex acuminate. |
Seeds | irregular. |
light yellow, flat. |
2n | = 20. |
= 32. |
Calochortus lyallii |
Calochortus aureus |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Dry slopes, open coniferous forests | Dry sandy–clayey places |
Elevation | 300–1500 m (1000–4900 ft) | 1200–2000 m (3900–6600 ft) |
Distribution |
WA; BC
|
AZ; NM; UT
|
Source | FNA vol. 26, p. 130. | FNA vol. 26. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nuttallii var. aureus | |
Name authority | Baker: J. Linn. Soc., Bot. 14: 305. (1874) | S. Watson: Amer. Naturalist 7: 303. (1873) |
Web links |