Flora of North America species comparison

usually erect, sometimes decumbent, slender, wiry, usually many-branched, to 50 cm.

erect, slender, wiry, often branched, 2–15 cm.

proximalmost not clustered near base;

blade linear to very narrowly elliptic, 0.8–3.5 × 0.1–0.3 cm, base cuneate or attenuate, margins sparsely serrulate, apex acute.

proximalmost not clustered near base;

blade linear or linear-filiform, 1–3 × 0.04–0.1 cm, base attenuate, margins subentire, apex acute.

opening near sunrise;

floral tube 1.6–2.7 mm, usually moderately to sparsely pubescent inside on proximal 1/2, rarely glabrous;

sepals 1.6–4 mm, reflexed in pairs;

petals 2.1–4.2(–4.5) mm, each ± with 2 red dots basally; episepalous filaments 0.9–2(–2.2) mm, epipetalous filaments 0.5–1.3 mm, anthers 0.3–0.6 mm, pollen with usually less than 10% of grains 4-pored;

style 2.3–4.8 mm, stigma surrounded by anthers at anthesis.

opening near sunrise;

floral tube 1.3–2 mm, glabrate;

sepals 1.5–2.5 mm, reflexed separately;

petals 1.5–3.6 mm, without red dots at base;

filaments 0.5–1 mm, anthers 0.3–0.6 mm, pollen with less than 5% of grains 4- or 5-pored;

style 1.5–3 mm, stigma surrounded by anthers at anthesis.

15–45 × 0.8–1.3 mm;

subsessile.

15–28 × 0.6–1 mm;

pedicel 0–2 mm.

0.6–0.8 × 0.3–0.4 mm.

0.7–0.8 × 0.4 mm.

= 28.

= 28.