Flora of North America species comparison

usually 1 per caudex branch, arising from center of rosette near ground surface, 0.9–3 dm, densely pubescent proximally, trichomes short-stalked, 5–12-rayed, 0.1–0.3 mm, sparsely pubescent to glabrescent distally.

usually 1 per caudex branch, arising from center of rosette near ground surface, 0.4–1.4 dm, densely pubescent proximally, trichomes short-stalked, 2- or 3-rayed, 0.2–0.3 mm, sparsely to moderately pubescent distally.

blade linear-oblanceolate, 2–5 mm wide, margins entire, not ciliate, surfaces densely pubescent, trichomes short-stalked, 5–12(–16)-rayed, 0.1–0.3 mm.

blade narrowly oblanceolate to linear, 0.8–1.8 mm wide, margins entire, ciliate along petiole, trichomes (simple), to 0.8 mm, surfaces densely pubescent, trichomes short-stalked, 2- or 3-rayed, 0.2–0.3 mm.

1–5, not concealing stem;

blade without auricles, surfaces of distalmost leaves pubescent.

6–10, somewhat concealing stem proximally;

blade auricles to 0.5 mm, surfaces of distalmost leaves pubescent.

4–15(–20)-flowered, unbranched.

6–15-flowered, usually unbranched.

ascending at anthesis;

sepals pubescent;

petals purple to lavender, 3.5–6 × 1–1.5 mm, glabrous;

pollen ellipsoid.

ascending at anthesis;

sepals pubescent;

petals purplish, 4–5 × 1–1.8 mm, glabrous;

pollen ellipsoid.

ascending, straight, 4–15(–25) mm, pubescent, trichomes appressed, branched.

ascending, straight, 3–8 mm, pubescent, trichomes appressed, branched.

divaricate-ascending, not appressed to rachis, not secund, straight, edges parallel, 4–7.3 cm × 2.7–4 mm;

valves glabrous;

ovules 44–52 per ovary;

style 0.05–0.1 mm.

suberect or ascending, sometimes appressed to rachis, not secund, straight, edges parallel, 2.5–4 cm × 1.2–1.8 mm;

valves glabrous;

ovules 50–60 per ovary;

style 0.05–0.1 mm.

uniseriate, 1.9–2.3 mm in diam.;

wing continuous, 0.3–0.5 mm wide.

uniseriate, 1.2–1.8 × 1–1.5 mm;

wing continuous, 0.1–0.2 mm wide.