Flora of North America species comparison

erect or ascending, usually branched distally, 1–8 dm, sparsely hispid basally.

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

rosulate;

petiole 0.3–3 cm;

blade oblanceolate, 0.7–9 cm × 4–25 mm, margins coarsely dentate-sinuate.

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).

(median) sessile;

blade lanceolate to narrowly ovate, 0.5–11 cm × 2–45 mm, (smaller distally, base amplexicaul), margins entire or denticulate.

(distalmost) shortly petiolate;

blade linear to narrowly oblanceolate, margins entire or dentate.

(densely flowered), with a terminal cluster of sterile flowers.

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

sepals erect to ascending, (dark purple in bud, becoming greenish or creamy white and purplish or brown distally), ovate to narrowly lanceolate, 6–17 × 2.5–3.5 mm (subequal, keeled, usually glabrous, rarely pubescent, trichomes simple);

petals white (with dark purple veins), 8–20 mm, blade 4–8 × 1.5–2 mm, crisped, claw oblanceolate, 4–11 × 2–3 mm;

filaments in 3 unequal pairs, (median pairs often connate), abaxial pair 3.5–11mm, lateral pair 2–7 mm, adaxial pair 5–12 mm;

anthers oblong to linear-oblong, unequal, 1.5–4 mm, (adaxial pair smaller).

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 to divaricate, 3–18(–27) mm, pubescent or glabrous.

ascending, 4–18 mm, glabrous or pilose.

erect or ascending (often straight), terete or slightly latiseptate, 5–12 cm × 2.5–3.5 mm;

valves each with prominent midvein basally;

ovules 52–72 per ovary;

style 0–4 mm;

stigma strongly 2-lobed (lobes 1–4 mm, opposite valves).

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.

2–3.5 × 1.7–2.2 mm.

1–2 × 0.7–1 mm.

= 28.