Flora of North America species comparison

usually 3–5 per caudex branch, arising from margin of rosette, elevated above ground surface on woody base, 1–2.5 dm, densely pubescent proximally, trichomes short-stalked, 2–4 (or 5)-rayed, 0.2–0.4 mm, moderately to sparsely pubescent distally.

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.

blade oblanceolate, 3–5 mm wide, margins entire, ciliate proximally, trichomes (simple), to 0.6 mm, surfaces densely pubescent, trichomes short-stalked, 2–4 (or 5)-rayed, 0.15–0.4 mm.

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.

5–9, not concealing stem;

blade auricles 0.5–1 mm, surfaces of distalmost leaves sparsely to moderately pubescent.

7–25, concealing stem proximally;

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

5–11-flowered, usually unbranched.

6–20-flowered, usually unbranched.

divaricate-ascending at anthesis;

sepals pubescent;

petals pale purple, 6–8 × 1.5–2 mm, glabrous;

pollen ellipsoid.

ascending at anthesis;

sepals pubescent;

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

pollen ellipsoid.

descending, straight to slightly recurved, 4–6 mm, pubescent, trichomes appressed, branched.

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

(immature) pendent, not appressed to rachis, not secund, straight, edges parallel;

valves 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.

not seen.

uniseriate, 1.2–1.7 × 0.9–1.2 mm;

wing lateral and distal, 0.1–0.2 mm wide.