Flora of North America species comparison

usually 1 per caudex branch, arising from center of rosette near ground surface, 0.5–2.2 dm, sparsely pubescent proximally, trichomes simple and short-stalked, 2- or 3-rayed, 0.1–0.2 mm, glabrous distally.

blade linear-oblanceolate, 0.7–2 mm wide, margins entire, ciliate proximally, trichomes to 0.4 mm, surfaces densely pubescent, trichomes short-stalked, (2- or) 3–6-rayed, 0.05–0.2(–0.3) mm.

4–6, not concealing stem;

blade auricles 0.5–1 mm, surfaces of distalmost leaves glabrous.

3–11-flowered, unbranched.

ascending at anthesis;

sepals glabrous or sparsely pubescent;

petals lavender, 5–6 × 1–1.7 mm, glabrous;

pollen spheroid.

ascending to divaricate-ascending, straight, 3–8 mm, glabrous.

ascending to divaricate-ascending, not appressed to rachis, not secund, straight, edges parallel, 3.5–6.2 cm × 1.2–1.5 mm;

valves glabrous;

ovules 58–80 per ovary;

style 0.8–1.5 mm.

uniseriate, 1.1–1.3 × 0.9–1 mm;

wing continuous, 0.05–0.1 mm wide.