Calochortus raichei
Herbertia 43(1): 3, figs. 1, 2. 1987.
Stems usually not branching distal to base, 1–10 dm, conspicuously glaucous. Leaves: basal 3–4 dm; blade linear, attenuate, channeled, conspicuously glaucous. Inflorescences 1–2-flowered; bracts paired, opposite. Flowers nodding; perianth ± closed at apex, ± oblong; sepals appressed to petals, grayish mauve to pale green, broadly lanceolate, 1–2.5 cm, glabrous, apex acuminate; petals pale-yellow, obovate, 2–4.5 cm, adaxial surface moderately hairy from gland to apex, margins moderately ciliate to apex, apex acuminate to acute; glands depressed, with long, thin, distal hairs; filaments 7–9 mm; anthers ± oblong, 6 mm, apex obtuse. Capsules nodding, ridged, not winged, oblong, 2–4 cm, apex acute. Seeds dark-brown, irregular.
Phenology: Flowering summer.
Habitat: Exposed serpentine soil in open woodlands
Elevation: less than 300 m
Discussion
Of conservation concern.
Calochortus raichei is known only from the headwaters area of Big Austin Creek, Sonoma County. It is threatened by mining activities.
Selected References
None.
Lower Taxa
"dm" is not declared as a valid unit of measurement for this property."broad" is not a number."usually longer and broader" is not a number."thicker" is not a number."dm" is not declared as a valid unit of measurement for this property.