Calochortus tiburonensis |
Calochortus ambiguus |
|
---|---|---|
Tiburon mariposa-lily |
doubting mariposa lily |
|
Habit | Plants often bulbose; bulb coat membranous. | |
Stems | usually branching, 1–6 dm. |
usually branching, straight. |
Leaves | basal persistent, 1–7 dm; blade lanceolate, flat. |
basal withering; blade linear-attenuate. |
Inflorescences | 2–several-flowered. |
subumbellate, 1–4-flowered. |
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 pinkish or bluish gray, infrequently with longitudinal gray stripe, open, campanulate; sepals invested near gland, with yellowish, distally enlarged or branching, gland-tipped hairs, base sometimes marked with dull purple, apex acuminate; petals with median blotch usually surrounded by yellow zone, ± equaling sepals, base sometimes marked with dull purple; glands round to lunate, depressed, surrounded with narrow, deeply fringed membrane, densely covered with short, distally branching hairs; filaments shorter than anthers; anthers oblong-lanceolate, apex obtuse to acute. |
Capsules | erect, angled, apex acute. |
erect, linear-oblong, 3-angled, apex acute. |
Seeds | dark brown, irregular. |
flat. |
2n | = 20. |
= 18. |
Calochortus tiburonensis |
Calochortus ambiguus |
|
Phenology | Flowering late spring–early summer. | Flowering late spring–summer. |
Habitat | Serpentine grasslands | Dry soils |
Elevation | 0–200 m (0–700 ft) | 1100–2700 m (3600–8900 ft) |
Distribution |
CA
|
AZ; NM; UT
|
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. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | C. watsonii var. ambiguus | |
Name authority | A. J. Hill: Madroño 22: 100, fig. 1. (1973) | (M. E. Jones) Ownbey: Ann. Missouri Bot. Gard. 27: 505. (1940) |
Web links |