familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusClarkia
sectionClarkia sect. Godetia
speciesClarkia speciosa
subspeciesClarkia speciosa subsp. immaculata
Clarkia speciosa subsp. immaculata
Univ. Calif. Publ. Bot. 20: 291. 1955.
Common names: Pismo clarkia
Treatment appears in FNA Volume 10.
Stems decumbent, branches on well-developed plants few-flowered. Leaf blades linear to narrowly lanceolate. Inflores-cences open racemes. Petals lavender to pink shading pale yellow or white in proximal 1/2, unspotted. 2n = 18.
Phenology: Flowering May–Jul.
Habitat: Sandy hills near coast.
Elevation: 0–100 m.
Discussion
Subspecies immaculata, known only from a small portion of San Luis Obispo County, is designated as rare by the California Native Plant Society.
Selected References
None.
Lower Taxa
None.