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1. Camissonia kernensis (Munz) P. H. Raven, Brittonia. 16: 284. 1964.
[E F]
Oenothera kernensis Munz, Amer. J. Bot. 18: 737. 1931
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- 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.
Subspecies 2 (2 in the flora): sw United States.
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.
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Herbs compact, sparsely glandular puberulent and villous throughout; leaves: proximalmost often clustered near base; pedicels 3–15 mm in fruit |
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1a Camissonia kernensis subsp. kernensis |
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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 |
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1b Camissonia kernensis subsp. gilmanii |
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Lower Taxa
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