Calochortus lyallii |
Calochortus tiburonensis |
|
---|---|---|
Lyall's mariposa-lily |
Tiburon mariposa-lily |
|
Stems | not branching or with branch in axil of cauline leaf, straight, 1–5 dm. |
usually branching, 1–6 dm. |
Leaves | basal solitary, persistent, 1–3 dm × 2–20 mm, usually not exceeding inflorescence; blade tapering toward both ends. |
basal persistent, 1–7 dm; blade lanceolate, flat. |
Inflorescences | subumbellate, 1–9-flowered; bracts 2–several, lanceolate to linear, attenuate, unequal, 1–5 cm; peduncle slender, becoming stiffly erect in fruit. |
2–several-flowered. |
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; petals light yellow-green, flecked and streaked purplish brown, oblanceolate, ciliate to near apex, hairy; glands depressed, bordered proximally by ciliate membrane, distally by 2 or more rows of short hairs; anthers short-tipped. |
Capsules | erect, 3-winged, ellipsoid, base and apex acute. |
erect, angled, apex acute. |
Seeds | irregular. |
dark brown, irregular. |
2n | = 20. |
= 20. |
Calochortus lyallii |
Calochortus tiburonensis |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–early summer. |
Habitat | Dry slopes, open coniferous forests | Serpentine grasslands |
Elevation | 300–1500 m (1000–4900 ft) | 0–200 m (0–700 ft) |
Distribution |
WA; BC
|
CA
|
Discussion | Of conservation concern. Calochortus tiburonensis is known only from Ring Mountain, Marin County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 130. | FNA vol. 26, p. 131. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | Baker: J. Linn. Soc., Bot. 14: 305. (1874) | A. J. Hill: Madroño 22: 100, fig. 1. (1973) |
Web links |