Flora of North America species comparison

usually 1 per caudex branch, arising from center of rosette near ground surface, (0.6–)1–4.5 dm, densely pubescent proximally, trichomes short-stalked, 4–8-rayed, 0.1–0.4 mm, similarly pubescent distally.

usually 1 per caudex branch, arising from center of rosette near ground surface, 0.6–2.3 dm, glabrous throughout.

blade linear to linear-oblanceolate, 2–4(–6) mm wide, margins entire, usually ciliate at petiole base, trichomes (simple or spurred), to 1.5 mm, surfaces densely pubescent, trichomes short-stalked, 4–8-rayed, 0.1–0.4 mm.

blade oblanceolate, 3.5–14 mm wide, margins usually entire, rarely slightly dentate, not ciliate, surfaces glabrous.

6–10, not concealing stem;

blade auricles absent, surfaces of distalmost leaves densely pubescent.

3–10, not concealing stem;

blade auricles absent, glabrous.

(5–)10–25-flowered, usually unbranched.

4–24-flowered, usually unbranched.

divaricate at anthesis;

sepals pubescent;

petals light purple to lavender, 6–9 × 1.5–2.5 mm, glabrous;

pollen ellipsoid.

ascending at anthesis;

sepals glabrous;

petals white to lavender, 6–10 × 2.5–4 mm, glabrous;

pollen ellipsoid.

reflexed, strongly curved at base, 2–10 mm, pubescent, trichomes appressed, branched.

ascending, straight, 3–18 mm, glabrous.

strongly reflexed, sometimes appressed to rachis, often secund, straight, edges parallel, (1.8–)2.5–4.5 cm × 5–8 mm;

valves glabrous;

ovules 24–62 per ovary;

style 0.2–0.6 mm.

ascending to divaricate-ascending, not appressed to rachis, not secund, straight to slightly curved, edges parallel, 2.5–7 cm × 1.5–2.5 mm;

valves glabrous;

ovules 28–50 per ovary;

style 0.1–0.8 mm.

biseriate, 5–6 × 4–5 mm;

wing continuous, 1.8–2.5 mm wide.

uniseriate, 1.8–2.2 × 0.8–1.7 mm;

wing distal or continuous, 0.1–0.5 mm wide.

= 14.