Flora of North America species comparison

erect or ascending, unbranched or branched distally, 2–12 dm.

rosulate;

petiole 1–8 cm;

blade oblanceolate or oblong (in outline), 2–24 cm × 5–90 mm, margins usually pinnatifid to pinnatisect, rarely dentate-sinuate (lobes dentate).

(distalmost) shortly petiolate;

blade linear to narrowly oblanceolate, margins entire or dentate.

(densely flowered), without a terminal cluster of sterile flowers, (sometimes proximalmost flowers bracteate).

sepals erect, (dark purple in bud becoming paler or greenish), narrowly ovate to lanceolate, 4.5–9.5 × 1.5–2 mm, (equal);

petals purple, 7–12 mm, blade 3–4 × 1–1.5 mm, crisped, claw oblanceolate to spatulate, 4–9 × 1–2 mm;

filaments tetradynamous, median pairs 4.5–10 mm, lateral pair 3–8.5 mm;

anthers narrowly oblong, equal, 2–3.5 mm.

ascending, 4–18 mm, glabrous or pilose.

ascending to divaricate, terete, 2–18 cm × 1–1.5 mm;

valves each with obscure midvein;

ovules 152–198 per ovary;

style obsolete or, rarely, to 1 mm;

stigma slightly 2-lobed.

1–2 × 0.7–1 mm.