Calochortus tiburonensis |
Calochortus nuttallii |
|
---|---|---|
Tiburon mariposa-lily |
sego-lily |
|
Habit | Plants usually bulbose; bulb coat, when present, membranous. | |
Stems | usually branching, 1–6 dm. |
usually not branching or twisted, straight, 1.5–4.5 dm. |
Leaves | basal persistent, 1–7 dm; blade lanceolate, flat. |
blade linear, becoming involute; basal withering. |
Inflorescences | 2–several-flowered. |
subumbellate, 1–4-flowered; bracts congested, unequal. |
Flowers | 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. |
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, angled, apex acute. |
erect, linear-lanceoloid, 3-angled, apex acuminate. |
Seeds | dark brown, irregular. |
flat. |
2n | = 20. |
= 16. |
Calochortus tiburonensis |
Calochortus nuttallii |
|
Phenology | Flowering late spring–early summer. | Flowering late spring–late summer. |
Habitat | Serpentine grasslands | Dry soils |
Elevation | 0–200 m (0–700 ft) | 700–3300 m (2300–10800 ft) |
Distribution |
CA
|
AZ; CO; ID; MT; ND; NE; NM; NV; SD; UT; WY
|
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. 131. | FNA vol. 26, p. 136. |
Parent taxa | ||
Sibling taxa | ||
Name authority | A. J. Hill: Madroño 22: 100, fig. 1. (1973) | Torrey: in H. Stansbury, Exped. Great Salt Lake, 397. (1852) |
Web links |