Calochortus tiburonensis

A. J. Hill

Madroño 22: 100, fig. 1. 1973.

Common names: Tiburon mariposa-lily
IllustratedEndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 131. Mentioned on page 120, 130.

Stems usually branching, 1–6 dm. Leaves: basal persistent, 1–7 dm; blade lanceolate, flat. Inflorescences 2–several-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. Capsules erect, angled, apex acute. Seeds dark brown, irregular. 2n = 20.

Phenology: Flowering late spring–early summer.
Habitat: Serpentine grasslands
Elevation: 0–200 m


Of conservation concern.

Calochortus tiburonensis is known only from Ring Mountain, Marin County.

Selected References


Lower Taxa