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.
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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 +