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.

1 or several per caudex branch, arising from center or margin of rosette near ground surface, 0.8–2.8(–3.5) dm, sparsely pubescent proximally, trichomes simple and subsessile, 2-rayed, 0.3–0.6 mm, glabrous 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 to linear-oblanceolate, 1–4(–6) mm wide, margins entire or subapically toothed, ciliate proximally, trichomes (simple), to 0.6 mm, surfaces densely pubescent, trichomes short-stalked, 4–8-rayed, 0.05–0.1 mm.

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

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

2–6, not concealing stem;

blade auricles 0.5–1.5 mm, surfaces of distalmost leaves glabrous.

8–30-flowered, usually unbranched.

5–17-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 glabrous or pubescent;

petals lavender to purple, 3.5–5.5 × 1–1.8 mm, glabrous;

pollen ellipsoid or spheroid.

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

ascending to divaricate-ascending, straight, 4–14 mm, glabrous.

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.

ascending to divaricate-ascending, not appressed to rachis, not secund, straight to slightly curved, edges parallel, 3–7 cm × 1–1.5 mm;

valves glabrous;

ovules 52–72 per ovary;

style 0.05–0.3 mm.

uniseriate, 2.5–3.5 × 1.5–2.2 mm;

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

uniseriate, 1–1.5 × 0.7–1 mm;

wing often distal, ca. 0.1 mm wide.

= 14.

= 14, 15.