Flora of North America species comparison

1–9 per caudex branch, arising from center or margin of rosette near ground surface, (1.5–)2.5–5.5 dm, densely pubescent proximally, trichomes short-stalked, 2–4-rayed, 0.1–0.5 mm, mixed with some simple ones, to 0.8 mm, glabrous distally.

blade oblanceolate, 2–9 mm wide, margins shallowly dentate or sometimes entire, ciliate proximally, trichomes (simple and spurred), to 1.2 mm, surfaces moderately to densely pubescent, trichomes short-stalked, 4–6(–8)-rayed, 0.1–0.5 mm.

4–9, not concealing stem;

blade auricles 1–3 mm, surfaces of distalmost leaves usually glabrous.

7–20-flowered, usually unbranched.

ascending at anthesis;

sepals pubescent;

petals lavender, 6–7 × 1.5–2 mm, glabrous;

pollen spheroid.

divaricate-ascending, gently curved downward, (7–)10–18 mm, glabrous.

usually widely pendent, rarely horizontal, not appressed to rachis, not secund, slightly curved, edges parallel, (3–)4.5–7 cm × 1.7–2 mm;

valves glabrous;

ovules 60–96 per ovary;

style 0.1–0.3 mm.

sub-biseriate, 1.2–1.8 × 0.9–1.2 mm;

wing continuous, 0.1–0.25 mm wide.