4. Chylismia specicola (P. H. Raven) W. L. Wagner & Hoch, Syst. Bot. Monogr. 83: 208. 2007.
[C E]
Oenothera specicola P. H. Raven, Univ. Calif. Publ. Bot. 34: 87. 1962 (as specuicola); Camissonia specicola (P. H. Raven) P. H. Raven
Herbs perennial, base sometimes woody, glabrous or sparsely villous proximally. Stems with several divergent branches from base, 10–50 cm. Leaves primarily in basal rosette and cauline, 3–20 × 0.7–2.5 cm; petiole 0.5–4 cm; blade pinnately or bipinnately lobed, terminal lobe ovate to elliptic, 0.4–2.5 × 0.3–1.5 cm, margins irregularly serrate, dark brown oil cells prominently lining veins abaxially. Racemes erect, elongating after anthesis. Flowers opening at sunrise; buds individually reflexed, with apical free tips less than 1 mm; floral tube 1.5–2 mm, glabrous inside; sepals 2–5 mm; petals bright yellow, with red dots near base, fading pale lavender, 2–6 mm; stamens unequal, filaments of antisepalous stamens 1.5–3 mm, those of antipetalous ones 1–2 mm, anthers 1.2–2 mm, glabrous; style 4–7 mm, stigma surrounded by anthers at anthesis. Capsules spreading to ascending, oblong-cylindrical, 8–20 mm; pedicel 6–10 mm. Seeds 0.6–1 mm.
Subspecies 2 (2 in the flora): Arizona.
P. H. Raven (1962, 1969) thought that this species is most likely self-compatible but primarily outcrossing.
