Camissonia kernensis

(Munz) P. H. Raven

Brittonia 16: 284. 1964.

Basionym: Oenothera kernensis Munz Amer. J. Bot. 18: 737. 1931
Treatment appears in FNA Volume 10.

Herbs sparsely or densely villous and glandular puberulent, espe­cially distally, sometimes glabrate or sparsely glandular puberulent. Stems erect, often many-branched, 5–30 cm. Leaves: proximalmost some­times clustered near base; blade usually very narrowly elliptic to narrowly so, rarely lanceolate, 1–3.8 (–5.5) × 0.2–0.5 cm, base narrowly cuneate, margins sparsely serrate, apex acuminate. Flowers opening near sun­rise; floral-tube 2.2–3.8 (–5.5) mm, villous inside; sepals 5–9 (–11) mm, reflexed separately; petals 8–15 (–18) mm, each with 2 large red dots basally; episepalous fila­ments 3.5–5.5 (–7) mm, epipetalous filaments 1.3–2 (–4.5) mm, anthers 1.8–2 (–3) mm, pollen with less than 5% of grains 4-pored or 5-pored; style 7–10 (–14) mm, stig­ma well exserted beyond anthers at anthesis. Capsules 22–37 × 1.5–1.7 mm; pedicel 0–15 mm. Seeds 1.1–1.2 × 0.5–0.6 mm.

Distribution

sw United States

Discussion

Subspecies 2 (2 in the flora).

Camissonia kernensis occurs in sagebrush scrub, and Joshua-tree and pinyon-juniper woodlands at eleva­tions of 700–1900 m in southern and central California and southern Nevada. The species is self-incompatible and is apparently pollinated by oligolectic bees of Andrena subg. Onagrandrena (P. H. Raven 1969); Raven subdivided the species into two intergrading subspecies.

Selected References

None.

Key

1 Herbs compact, sparsely glandular puberulent and villous throughout; leaves: proximalmost often clustered near base; pedicels 3–15 mm in fruit. Camissonia kernensis subsp. kernensis
1 Herbs with open habit, glandular puberulent throughout, usually also sparsely villous, or glabrate, with few glandular hairs; leaves: none clustered near base; pedicels 0–5(–15) mm in fruit. Camissonia kernensis subsp. gilmanii
... more about "Camissonia kernensis"
0.2 cm2 mm <br />0.002 m <br /> - 0.3 cm3 mm <br />0.003 m <br /> +
0.18 cm1.8 mm <br />0.0018 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
acuminate +
Warren L. Wagner +
- Munz P. H. Raven +
cuneate +
Oenothera kernensis +
indehiscent +  and loculicidal +
3.8 cm38 mm <br />0.038 m <br /> - 5.5 cm55 mm <br />0.055 m <br /> +
1 cm10 mm <br />0.01 m <br /> - 3.8 cm38 mm <br />0.038 m <br /> +
serrate +, serrulate +  and entire +
lobed +, toothed +  and entire +
lanceolate +
0.2 cm2 mm <br />0.002 m <br /> - 0.5 cm5 mm <br />0.005 m <br /> +
straight +  and flexuous +
2.2 cm22 mm <br />0.022 m <br /> - 3.7 cm37 mm <br />0.037 m <br /> +
subterete +  and cylindrical +
0.15 cm1.5 mm <br />0.0015 m <br /> - 0.17 cm1.7 mm <br />0.0017 m <br /> +
sw United States +
reddish-brown +  and white +
exfoliating +
0.2 cm2 mm <br />0.002 m <br /> - 0.45 cm4.5 mm <br />0.0045 m <br /> +
0.13 cm1.3 mm <br />0.0013 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
basifixed +  and versatile +
0.38 cm3.8 mm <br />0.0038 m <br /> - 0.55 cm5.5 mm <br />0.0055 m <br /> +
0.22 cm2.2 mm <br />0.0022 m <br /> - 0.38 cm3.8 mm <br />0.0038 m <br /> +
actinomorphic +
pedicellate +  and sessile +
straight +  and flexuous +
subterete +  and cylindrical +
puberulent +, glandular +, glabrate +  and villous +
erect +  and nodding +
deciduous +
proximalmost +  and cauline +
numerous +  and 1 +
0 cm0 mm <br />0 m <br /> - 1.5 cm15 mm <br />0.015 m <br /> +
1.5 cm15 mm <br />0.015 m <br /> - 1.8 cm18 mm <br />0.018 m <br /> +
episepalous +
0.8 cm8 mm <br />0.008 m <br /> - 1.5 cm15 mm <br />0.015 m <br /> +
basal +  and cauline +
clavate +  and globose +
0.11 cm1.1 mm <br />0.0011 m <br /> - 0.12 cm1.2 mm <br />0.0012 m <br /> +
7 +  and numerous +
sculptured +  and smooth +
triangular +, narrowly obovoid +  and narrowly oblanceoloid +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.06 cm0.6 mm <br />6.0e-4 m <br /> +
0.9 cm9 mm <br />0.009 m <br /> - 1.1 cm11 mm <br />0.011 m <br /> +
purple +, pink +, red +  and green +
deciduous +
0.5 cm5 mm <br />0.005 m <br /> - 0.9 cm9 mm <br />0.009 m <br /> +
parenchymatous +
parietal +, axile +  and placentation +
unequal +
aquatic +, amphibious +  and terrestrial +
2 times as many or as many as sepals +
many-branched +
prostrate +  and decumbent +
5 cm50 mm <br />0.05 m <br /> - 30 cm300 mm <br />0.3 m <br /> +
subcapitate +  and subglobose +
intrapetiolar +
1 cm10 mm <br />0.01 m <br /> - 1.4 cm14 mm <br />0.014 m <br /> +
0.7 cm7 mm <br />0.007 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
aquatic +, amphibious +  and terrestrial +
non-papillate +
Camissonia sect. Sphaerostigma +, Oenothera sect. Sphaerostigma +, Sphaerostigma +  and Oenothera subg. Sphaerostigma +
Camissonia kernensis +
Camissonia +
species +
3 - -5-aperturate +
0.55 cm5.5 mm <br />0.0055 m <br /> - 0.7 cm7 mm <br />0.007 m <br /> +
smooth +  and erose +
papillate +