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-pored 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"
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
acuminate +
Warren L. Wagner +
(S. Watson) P. H. Raven +
cuneate +
Oenothera strigulosa var. pubens +
indehiscent +  and loculicidal +
3 cm30 mm <br />0.03 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
serrate +, serrulate +  and entire +
lobed +, toothed +  and entire +
lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
straight +  and flexuous +
2.6 cm26 mm <br />0.026 m <br /> (5 cm50 mm <br />0.05 m <br />) +
subterete +  and cylindrical +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Calif. +  and Nev. +
900–3000 m. +
reddish-brown +  and white +
exfoliating +
basifixed +  and versatile +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
actinomorphic +
pedicellate +  and sessile +
straight +  and flexuous +
subterete +  and cylindrical +
Sandy soil on open or brushy slopes and flats, usually sagebrush scrub or pinyon-juniper woodlands. +
puberulent +  and villous +
erect +  and nodding +
deciduous +
proximalmost +  and cauline +
undulate-serrate +
numerous +  and 1 +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1 +  and several +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering Apr–Jun. +
Ann. Missouri Bot. Gard. +
basal +  and cauline +
clavate +  and globose +
0.1 cm1 mm <br />0.001 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
7 +  and numerous +
sculptured +  and smooth +
triangular +, narrowly obovoid +  and narrowly oblanceoloid +
0.4 cm4 mm <br />0.004 m <br /> (?) +
purple +, pink +, red +  and green +
deciduous +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
parenchymatous +
parietal +, axile +  and placentation +
unequal +
aquatic +, amphibious +  and terrestrial +
2 times as many or as many as sepals +
20 cm200 mm <br />0.2 m <br /> (38 cm380 mm <br />0.38 m <br />) +
prostrate +  and decumbent +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
subcapitate +  and subglobose +
intrapetiolar +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.41 cm4.1 mm <br />0.0041 m <br />) +
aquatic +, amphibious +  and terrestrial +
non-papillate +
Camissonia contorta var. pubens +, O. pubens +, Sphaerostigma contortum var. pubens +, S. orthocarpum +  and S. pubens +
Camissonia pubens +
Camissonia +
species +
3(-5)-aperturate +
smooth +  and erose +
papillate +