Flora of North America species comparison

usually well branched from base, 3–30 cm, usually flowering proximally and distally.

cauline, mostly clustered near base, reduced distally, 0.5–2.5 × 0.3–1.5 cm;

petiole 0.5–2 cm;

blade oblanceolate or narrowly oblanceolate, margins entire or sparsely denticulate.

erect.

opening at sunset;

floral tube 0.5–1.9 mm, strigillose in proximal 1/2 inside;

sepals 0.8–1.8 mm;

petals white, fading pinkish, 0.8–1.3 mm;

filaments 0.3–1.3 mm, epipetalous filaments shorter than episepalous, sometimes apparently abortive, anthers 0.5–0.8 mm;

style 1.2–3.2 mm, sparsely short-villous near base, stigma 0.5–0.6 mm diam., surrounded by anthers at anthesis.

cylindrical and thickened proximally, spreading, contorted, subterete, 10–25 × 0.8–1.2 mm, regularly but tardily dehiscent.

monomorphic, gray, 1.1–1.2 × 0.4 mm, finely reticulate.

= 14.