familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusOenothera
sectionOenothera sect. Oenothera
subsectionOenothera subsect. Oenothera
speciesOenothera elata
subspeciesOenothera elata subsp. hookeri
Oenothera elata subsp. hookeri
Ann. Missouri Bot. Gard. 74: 152. 1987.
Basionym: Oenothera hookeri Torrey & A. Gray Fl. N. Amer. 1: 493. 1840
Synonyms: O. biennis var. hookeri (Torrey & A. Gray) B. Boivin O. communis var. hookeri (Torrey & A. Gray) H. Léveillé O. franciscana Bartlett O. hookeri var. franciscana (Bartlett) R. R. Gates O. hookeri subsp. montereyensis Munz O. hookeri var. montereyensis (Munz) Hoover O. montereyensis (Munz) Rostański Onagra hookeri (Torrey & A. Gray) Small
Treatment appears in FNA Volume 10.
Herbs strigillose, also villous with appressed or spreading hairs, usually these with conspicuous red-pustulate bases, also glandular puberulent. Flowers: buds flushed with red, with free tips 1–5 mm; petals 25–40 mm; anthers 12–23 mm. 2n = 14.
Phenology: Flowering Aug–Oct.
Habitat: Moist coastal and slightly inland sandy and bluff habitats.
Elevation: 0–200 m.
Discussion
Subspecies hookeri has a restricted range in California from around San Francisco Bay along the coast from the vicinity of Petaluma, Sonoma County, and Point Reyes south to Santa Barbara County, including Santa Cruz Island, and south to San Diego County. It intergrades along the inland margins of the range with subsp. hirsutissima.
Selected References
None.
Lower Taxa
None.