8. Camissoniopsis pallida (Abrams) W. L. Wagner & Hoch, Syst. Bot. Monogr. 83: 205. 2007.
Sphaerostigma pallidum Abrams, Bull. Torrey Bot. Club 32: 539. 1905; Camissonia pallida (Abrams) P. H. Raven; Oenothera abramsii J. F. Macbride; O. micrantha Hornemann ex Sprengel var. abramsii (J. F. Macbride) Jepson
Herbs annual, appearing conspicuously grayish, densely strigillose, sometimes also glandular puberulent distally. Stems usually with decumbent lateral branches from basal rosette, 5–60 cm. Leaves 1–5(–11) × 0.2–0.7(–1.4) cm; petiole 0–0.2(–0.4) cm, distal ones sessile; blade lanceolate to narrowly ovate, base often cuneate to truncate, sometimes attenuate, margins sparsely denticulate, apex acute to obtuse. Flowers opening near sunrise; floral tube 1–4.2 mm; sepals (1.5–)2.5–8 mm; petals yellow, sometimes with 1–3 red dots basally, (2–)3.5–13 mm; episepalous filaments (0.5–)1.5–6.5 mm, epipetalous filaments (0.2–)0.5–3.8 mm, anthers (0.4–)0.8–2.2 mm, less than 5% of pollen grains 4- or 5-pored; style (2.1–)3–10.5 mm, stigma surrounded by at least anthers of longer stamens, often by both sets, at anthesis. Capsules usually 1–3-coiled spiral, subterete in living material, 4-angled when dry, 13–24 × 0.7–1.2 mm. Seeds 1–1.5 mm.
Subspecies 2 (2 in the flora): w United States, nw Mexico.
P. H. Raven (1969) determined Camissoniopsis pallida to be self-compatible and primarily autogamous.
P. H. Raven (1969) determined Camissoniopsis pallida to be self-compatible and primarily autogamous.
