Camissoniopsis cheiranthifolia subsp. cheiranthifolia

Synonyms: Holostigma spirale (Hooker) Spach Oenothera cheiranthifolia var. nitida (Greene) Munz O. nitida Greene O. spiralis Hooker O. spiralis var. nitida (Greene) Jepson Sphaerostigma nitidum (Greene) Small S. spirale (Hooker) Fischer & C. A. Meyer S. spirale var. clypeatum (H. Léveillé) A. Nelson
Treatment appears in FNA Volume 10.
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Stems primarily herbaceous, usually prostrate or decumbent, moderately strigillose, rarely densely silvery strigillose. Flowers: floral tube 2.1–4.2(–4.8) mm; sepals 4–5.6(–6.7) mm; petals 6–11 mm; episepalous filaments 2.8–4.5 mm, epipetalous filaments 1.5–3 mm, anthers 1–1.5 mm; style 6–9 mm, stigma usually surrounded by anthers at anthesis, rarely exserted beyond anthers. 2n = 14.


Phenology: Flowering Apr–Aug.
Habitat: Coastal sandy slopes and flats.
Elevation: 0–100 m.

Discussion

Subspecies cheiranthifolia occurs from Coos Bay, Curry County, Oregon, south to Point Conception, Santa Barbara County, California; on the east shore of San Francisco Bay in Alameda, Contra Costa, and Sacramento counties, California, and on San Miguel, Santa Rosa, Santa Cruz, San Nicolas, and San Clemente islands (P. H. Raven 1969).

Selected References

None.

Lower Taxa

None.
Warren L. Wagner +
(Hornemann ex Sprengel) W. L. Wagner & Hoch +
Oenothera cheiranthifolia +
Calif. +  and Oreg. +
0–100 m. +
Coastal sandy slopes and flats. +
Flowering Apr–Aug. +
Syst. Bot. Monogr. +
Holostigma spirale +, Oenothera cheiranthifolia var. nitida +, O. nitida +, O. spiralis +, O. spiralis var. nitida +, Sphaerostigma nitidum +, S. spirale +  and S. spirale var. clypeatum +
Camissoniopsis cheiranthifolia subsp. cheiranthifolia +
Camissoniopsis cheiranthifolia +
subspecies +