Flora of North America species comparison

erect, often many-branched, 5–30 cm.

erect or decumbent, slender, wiry, usually branched, 3–20 cm.

proximalmost sometimes clustered near base;

blade usually very narrowly elliptic to narrowly so, rarely lanceolate, 1–3.8(–5.5) × 0.2–0.5 cm, base narrowly cuneate, margins sparsely serrate, apex acuminate.

proximalmost not clustered near base, green or slightly bluish green;

blade very narrowly elliptic, 0.7–2 × 0.1–0.3 cm, base cuneate or attenuate, margins sparsely serrulate, apex acute.

opening near sunrise;

floral tube 2.2–3.8(–5.5) mm, villous inside;

sepals 5–9(–11) mm, reflexed separately;

petals 8–15(–18) mm, each with 2 large red dots basally; episepalous filaments 3.5–5.5(–7) mm, epipetalous filaments 1.3–2(–4.5) mm, anthers 1.8–2(–3) mm, pollen with less than 5% of grains 4- or 5-pored;

style 7–10(–14) mm, stigma well exserted beyond anthers at anthesis.

opening near sunrise;

floral tube ca. 1.2 mm, moderately to very sparsely pubescent inside on proximal 1/2;

sepals 3.2–3.5 mm, reflexed in pairs;

petals 3.5–4 mm, each ± with 2 red dots basally; episepalous filaments 2 mm, epipetalous filaments 1.2 mm, anthers 0.3–0.6 mm, pollen with usually less than 10% of grains 4-pored;

style 2.1–2.5 mm, stigma surrounded by anthers at anthesis.

22–37 × 1.5–1.7 mm;

pedicel 0–15 mm.

15–45 × 0.8–1.3 mm;

subsessile.

1.1–1.2 × 0.5–0.6 mm.

0.6–0.8 × 0.3–0.4 mm.

= 28.