Calochortus subalpinus Piper
Family: Liliaceae
Subalpine Mariposa-Lily
[Calochortus lobbii sensu Purdy]
Calochortus subalpinus image
Robert Potts  

Stems usually not branching, straight or flexuous, often scapelike, 0.5-3 dm. Leaves: basal 1-3 dm × 2-15 mm, usually equaling or exceeding stem length; blade flat, adaxial surface glabrous. Inflorescences subumbellate, 1-5-flowered; bracts 2-several, lanceolate to linear, unequal, 1-5 cm, apex acuminate; peduncle slender, becoming stouter, deflexed in fruit. Flowers erect or spreading; perianth open, campanulate; sepals typically with purple glandular blotch near base, oblong-lanceolate, shorter than petals, adaxial surface minutely hairy, apex acute to acuminate; petals yellowish white, sometimes lavender-tinged, frequently with narrow purple crescent distal to gland, broadly obovate, cuneate, moderately bearded nearly to apex, adaxial surface densely hairy, margins fringed, apex obtuse or acute; glands transversely oblong, arched upward, ± deeply depressed, bordered proximally by narrow, ascending, deeply fringed membrane, distally by narrow, crenate membranes, gland surface with rather long, slender hairs toward distal portion; anthers lanceolate, apex long-apiculate. Capsules nodding, 3-winged, ellipsoid, apex usually acute. Seeds pale yellow. 2n = 20.

Flowering summer. Open forest in loose volcanic soils; 1000--2200 m; Oreg., Wash.

Calochortus subalpinus image
Robert Potts  
Calochortus subalpinus image
David McClurg  
Calochortus subalpinus image
Steven Thorsted  
Calochortus subalpinus image
Steven Thorsted  
Calochortus subalpinus image
Steven Thorsted  
Calochortus subalpinus image
Steven Thorsted  
Calochortus subalpinus image
Robert Potts  
Calochortus subalpinus image
David McClurg  
Calochortus subalpinus image
Steven Thorsted  
Calochortus subalpinus image
Steven Thorsted  
Calochortus subalpinus image
Steven Thorsted  
Calochortus subalpinus image
Steven Thorsted