Flora of North America species comparison

usually 1 per caudex branch, arising from center of rosette near ground surface, 1–4(–5) dm, densely pubescent proximally, trichomes short-stalked, 2–6-rayed, 0.1–0.2 mm, sparsely pubescent distally.

usually 1 per caudex, arising from center of rosette near ground surface, (1–)2.5–6.5 dm, densely pubescent proximally, trichomes short-stalked, 7–12-rayed, 0.1–0.2 mm, densely to sparsely pubescent distally.

blade narrowly oblanceolate, 1–4(–5) mm wide, margins prominently dentate to subpinnatifid (leaf margins of sterile shoots often entire), ciliate near petiole base, trichomes (simple or 2-rayed), 0.4–0.6 mm, surfaces densely pubescent, trichomes short-stalked, (2–)4–9-rayed, 0.05–0.2 mm.

blade oblanceolate, 1–4(–8) mm wide, margins entire, ciliate along petiole and proximally, trichomes (simple), to 1 mm, surfaces densely pubescent, trichomes short-stalked, 3–10-rayed, 0.2–0.7 mm.

(10–)20–60, often concealing stem throughout;

blade auricles 0.5–3 mm, surfaces of distalmost leaves moderately to sparsely pubescent.

(7–)12–35, concealing stem proximally;

blade auricles 0.5–2 mm, surfaces of distalmost leaves densely pubescent.

8–30-flowered, usually unbranched.

10–65-flowered, usually unbranched.

divaricate-ascending to pendent at anthesis;

sepals pubescent;

petals usually purple, rarely lavender, 9–14 × 1.5–3 mm, glabrous;

pollen ellipsoid.

ascending at anthesis;

sepals pubescent;

petals lavender to purplish, 5–8 × 1.2–2 mm, glabrous;

pollen spheroid.

reflexed, strongly recurved, 5–15 mm, pubescent, trichomes appressed, branched.

divaricate-ascending to horizontal, straight or slightly curved downward, 5–15 mm, sparsely pubescent, trichomes appressed, branched.

pendent, not appressed to rachis, not secund, straight to slightly curved, edges parallel, (3.5–)5–8 cm × (1.6–)2–3 mm;

valves pubescent throughout;

ovules 24–42 per ovary;

style 0.5–1 mm.

divaricate-ascending to widely pendent, not appressed to rachis, not secund, usually curved, rarely straight, edges parallel, 3.7–6.5 cm × 1.5–2.2 mm;

valves glabrous;

ovules 74–134 per ovary;

style 0.05–0.2 mm.

uniseriate, 2.5–3.5 × 1.5–2.2 mm;

wing continuous or at both ends, 0.4–0.8 mm wide.

usually sub-biseriate, rarely uniseriate, 1.7–2 × 1–1.5 mm;

wing continuous, 0.1–0.2 mm wide.

= 14.

= 21.