familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusClarkia
sectionClarkia sect. Rhodanthos
subsectionClarkia subsect. Jugales
speciesClarkia gracilis
subspeciesClarkia gracilis subsp. albicaulis
Clarkia gracilis subsp. albicaulis
Madroño 12: 33. 1953.
Common names: Whitestem clarkia
Basionym: Godetia amoena var. albicaulis Jepson Univ. Calif. Publ. Bot. 2: 329. 1907
Treatment appears in FNA Volume 10.
Flowers: petals pinkish lavender to light purple shading to white near middle, base bright red, 30–40 mm; stigma exserted beyond anthers. 2n = 28.
Phenology: Flowering May–Jul.
Habitat: Woodlands.
Elevation: 500 m.
Discussion
Subspecies albicaulis is found in foothill woodlands around the upper Sacramento Valley, mainly in Butte, Colusa, Lake, and Tehama counties, less commonly in Lassen, Mariposa, Modoc, Shasta, and Solano counties.
Selected References
None.
Lower Taxa
None.