familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusClarkia
sectionClarkia sect. Phaeostoma
subsectionClarkia subsect. Lautiflorae
speciesClarkia biloba
subspeciesClarkia biloba subsp. biloba
Clarkia biloba subsp. biloba
Treatment appears in FNA Volume 10.
Leaf blades narrowly lanceolate, 5–8 mm wide. Flowers: corolla rotate, petals purplish to pale pink, broadly fan-shaped, length not greater than 1.5 times width, deeply 2-lobed, lobes usually 1/5–1/2 petal length. 2n = 16.
Phenology: Flowering May–Aug.
Habitat: Foothill woodlands.
Elevation: 0–1000 m.
Discussion
Subspecies biloba is known from the central and northern Sierra Nevada Foothills, especially in Calaveras, El Dorado, and Tuolumne counties, and from the eastern San Francisco Bay area in Contra Costa County.
Selected References
None.
Lower Taxa
None.