Flora of North America species comparison

usually 1 per caudex branch, arising from center of rosette near ground surface, 0.8–6 dm, sparsely pubescent proximally, trichomes short-stalked and simple, (scattered), 2-rayed, 0.1–0.15 mm, glabrous distally.

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

blade oblanceolate, 4–10 mm wide, margins usually dentate, not ciliate, surfaces densely pubescent, trichomes short-stalked, 3- or 4-rayed, 0.1–0.2 mm.

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

7–25, concealing stem proximally;

blade auricles 1–4 mm, surfaces of distalmost leaves glabrous.

3–10, not concealing stem;

blade auricles absent, glabrous.

6–20-flowered, usually unbranched.

4–24-flowered, usually unbranched.

ascending at anthesis;

sepals pubescent;

petals dark reddish purple (drying indigo), 7–9 × 1.5–2 mm, glabrous;

pollen ellipsoid.

ascending at anthesis;

sepals glabrous;

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

pollen ellipsoid.

ascending, usually straight, 5–10 mm, glabrous or pubescent, trichomes spreading, simple.

ascending, straight, 3–18 mm, glabrous.

ascending, not appressed to rachis, not secund, curved or straight, edges parallel, (4–)6–12 cm × 1.7–2.2 mm;

valves glabrous;

ovules 80–100 per ovary;

style 0.2–0.5 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.

uniseriate, 1.2–1.7 × 0.9–1.2 mm;

wing lateral and distal, 0.1–0.2 mm wide.

uniseriate, 1.8–2.2 × 0.8–1.7 mm;

wing distal or continuous, 0.1–0.5 mm wide.