Flora of North America species comparison

usually 2–5 per plant, arising from margin of rosette near ground surface, (1–)2–8 dm, densely pubescent proximally, trichomes short-stalked, 3- or 4-rayed, 0.1–0.5 mm, similarly pubescent distally.

1–3 per caudex branch, arising laterally proximal to sterile shoots near ground surface, ca. 2.5 dm, densely pubescent proximally, trichomes simple and 2-rayed, 0.25–0.7 mm, glabrescent distally.

blade obovate to oblanceolate, (5–)10–45 mm wide, margins usually coarsely dentate, rarely sinuate, ciliate on petiole base, surfaces moderately pubescent, trichomes short-stalked, 3- or 4(–6)-rayed, 0.1–0.5 mm.

blade oblanceolate to obovate, 2.5–5 mm wide, margins entire, ciliate along petiole, trichomes (simple), to 1 mm, surfaces densely pubescent, trichomes simple and short-stalked, 2- or 3-rayed, 0.25–0.5 mm.

6–25, concealing stem proximally;

blade auricles 1–6 mm, surfaces of distalmost leaves pubescent.

4–6, not concealing stem;

blade auricles ca. 1 mm, surfaces of distalmost leaves sparsely pubescent.

10–40-flowered, usually unbranched.

6–10-flowered, unbranched.

ascending at anthesis;

sepals pubescent;

petals purplish, 3–4 × 0.7–1 mm, glabrous;

pollen ellipsoid.

ascending at anthesis;

sepals pubescent;

petals lavender, 4–5 × 1–1.5 mm, glabrous;

pollen ellipsoid.

usually horizontal, usually straight, rarely slightly curved, 5–15 mm, pubescent, trichomes spreading, simple.

ascending, straight, 6–10 mm, glabrous or sparsely pubescent, trichomes subappressed, branched.

usually horizontal, not appressed to rachis, not secund, straight, edges parallel, (1.5–)2–3.3 cm × 0.8–1 mm;

valves sparsely pubescent throughout;

ovules 12–20 per ovary;

style 0.4–0.8 mm.

divaricate-ascending, not appressed to rachis, not secund, slightly curved, edges parallel, 4–5 cm × ca. 1 mm;

valves glabrous;

ovules ca. 64 per ovary;

style ca. 0.2 mm.

uniseriate, 0.8–1.1 × 0.6–0.8 mm, not winged.

uniseriate, (none mature).

= 14.