Oenothera elata subsp. hookeri

(Torrey & A. Gray) W. Dietrich & W. L. Wagner

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.
Warren L. Wagner +
(Torrey & A. Gray) W. Dietrich & W. L. Wagner +
Oenothera hookeri +
0–200 m. +
Moist coastal and slightly inland sandy and bluff habitats. +
Flowering Aug–Oct. +
Ann. Missouri Bot. Gard. +
O. biennis var. hookeri +, O. communis var. hookeri +, O. franciscana +, O. hookeri var. franciscana +, O. hookeri subsp. montereyensis +, O. hookeri var. montereyensis +, O. montereyensis +  and Onagra hookeri +
Oenothera elata subsp. hookeri +
Oenothera elata +
subspecies +