Flowers: floral tube 1.3–2.2 mm; sepals 3–4.2 mm; petals 4–7 mm, with 2 red dots basally; style 3–7 mm, stigma sur­rounded by or slightly elevated beyond anthers at anthesis. 2n = 14.

Flowering May–Jul. Granite outcrops, Pinus ponderosa forests, upper limits of Pinus sabiniana-Quercus douglasii forests; 500–1200 m; Calif.

Subspecies sierrae is known from the Sierra Nevada foothills of Madera and central Mariposa counties.