Camissonia pubens

(S. Watson) P. H. Raven

Ann. Missouri Bot. Gard. 69: 995. 1983.

Basionym: Oenothera strigulosa var. pubens S. Watson Proc. Amer. Acad. Arts 8: 594. 1873
Synonyms: Camissonia contorta var. pubens (S. Watson) Kearney O. pubens (S. Watson) Munz Sphaerostigma contortum var. pubens (S. Watson) Small S. orthocarpum A. Nelson & P. B. Kennedy S. pubens (S. Watson) Rydberg
Treatment appears in FNA Volume 10.

Herbs moderately to densely villous throughout, also glandular puberulent, especially distally. Stems erect, moderately robust, often branched at base, 5–20(–38) cm. Leaves: proximalmost usually clustered near base; blade narrowly lanceolate, 1.5–3(–4.5) × 0.2–0.6 cm, base narrowly cuneate, margins undulate-serrate, apex acuminate. Flowers opening near sunrise; floral tube 1.3–3 mm, usually pubescent on proximal 1/2 inside; sepals 2.2–3.8 mm, reflexed separately; petals (2.2–)3–4 mm, each with 1–several red dots basally; fila­ments 0.5–1 mm, anthers 0.4–0.5 mm, pollen with less than 5% of grains 4- or 5-pored; style 3.2–4.1 mm, stigma surrounded by anthers at anthesis. Capsules (18–)26–50 × 0.8–1.2 mm; pedicel 0–2 mm. Seeds 1–1.1 × 0.4 mm. 2n = 28.


Phenology: Flowering Apr–Jun.
Habitat: Sandy soil on open or brushy slopes and flats, usually sagebrush scrub or pinyon-juniper woodlands.
Elevation: 900–3000 m.

Discussion

Camissonia pubens occurs in eastern California and west-central Nevada.

P. H. Raven (1969) determined that Camissonia pubens is self-compatible and autogamous. The species is closely related to C. kernensis, C. parvula, andC. pusilla.

Selected References

None.

Lower Taxa

None.
... more about "Camissonia pubens"
Warren L. Wagner +
(S. Watson) P. H. Raven +
Oenothera strigulosa var. pubens +
Calif. +  and Nev. +
900–3000 m. +
Sandy soil on open or brushy slopes and flats, usually sagebrush scrub or pinyon-juniper woodlands. +
Flowering Apr–Jun. +
Ann. Missouri Bot. Gard. +
Camissonia contorta var. pubens +, O. pubens +, Sphaerostigma contortum var. pubens +, S. orthocarpum +  and S. pubens +
Camissonia pubens +
Camissonia +
species +