Camissonia pusilla

P. H. Raven

Contr. U.S. Natl. Herb. 37: 312; fig. 53. 1969.

Treatment appears in FNA Volume 10.

Herbs glandular puberulent and villous. Stems erect, slender, often branched, 2–22 cm. Leaves: proximalmost usually clustered near base; blade sometimes with purple splotches or dots, linear, 1–3 × 0.04–0.2 cm, base narrowly cuneate, margins serrulate, apex acumi­nate. Flowers opening near sunrise; floral tube 0.8–1.6 mm, glabrous inside; sepals 1.2–2 mm, reflexed separately; petals 1.8–3.1 mm, each with 2 red dots basally; episepalous filaments 0.8–2 mm, epipetalous filaments 0.4–0.9 mm, anthers 0.3–0.4 mm, pollen with less than 5% of grains 4- or 5-pored; style 1.6–3.2 mm, stigma surrounded by anthers at anthesis. Capsules 18–32 × 0.6–1 mm; pedicel 0–2 mm. Seeds 0.7–0.8 × 0.4 mm. 2n = 14.


Phenology: Flowering Apr–Jun.
Habitat: Sandy soils on open or brushy slopes, usually with sagebrush scrub.
Elevation: 100–3000 m.

Distribution

Calif., Idaho, Nev., Oreg., Utah, Wash.

Discussion

P. H. Raven (1969) determined that Camissonia pusilla is a self-compatible diploid and autogamous; it is closely related to C. kernensis, C. parvula, and C. pubens.

Selected References

None.

Lower Taxa

None.
... more about "Camissonia pusilla"
Warren L. Wagner +
P. H. Raven +
Calif. +, Idaho +, Nev. +, Oreg. +, Utah +  and Wash. +
100–3000 m. +
Sandy soils on open or brushy slopes, usually with sagebrush scrub. +
Flowering Apr–Jun. +
Contr. U.S. Natl. Herb. +
Camissonia sect. Sphaerostigma +, Oenothera sect. Sphaerostigma +, Sphaerostigma +  and Oenothera subg. Sphaerostigma +
Camissonia pusilla +
Camissonia +
species +