Eremothera chamaenerioides
Syst. Bot. Monogr. 83: 209. 2007.
Herbs glandular puberulent and sparsely strigillose distally, especially in inflorescence. Stems usually well branched from base, 8–50 cm, flowering only distally. Leaves cauline, with lower ones clustered near base, (0.7–)2–8(–10) × 0.1–2.5 cm; petiole 0.1–3.5 cm; blade very narrowly elliptic to narrowly elliptic, margins entire or sparsely denticulate. Inflorescences nodding. Flowers opening at sunset; floral tube 1.5–3 mm, villous in proximal 1/2 inside; sepals 1.5–2.5 mm; petals white, fading pinkish, 1.8–3 mm; episepalous filaments 0.7–1.5 mm, epipetalous filaments slightly shorter, anthers 0.5–1.1 mm; style 2.3–4.5 mm, villous proximally, stigma 0.7–1 mm diam., surrounded by anthers at anthesis. Capsules narrowly cylindrical throughout, spreading, straight, terete, 35–60 × 0.7–1 mm, regularly but tardily dehiscent. Seeds monomorphic, gray, 0.9–1 × 0.3–0.4 mm, finely reticulate. 2n = 14.
Phenology: Flowering (Jan–)Feb–Jun.
Habitat: Sandy desert slopes and flats.
Elevation: -50–1700 m.
Distribution
Ariz., Calif., Nev., N.Mex., Tex., Utah, Mexico (Baja California, Sonora).
Discussion
Eremothera chamaenerioides occurs in sub-Mogollon Arizona, southeastern California, southern Nevada, southern New Mexico, trans-Pecos Texas, and Kane, Millard, Tooele, and Washington counties, Utah. P. H. Raven (1969) determined Eremothera chamaenerioides to be self-compatible and autogamous.
Selected References
None.