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, 3–12 dm.

rosulate;

petiole 0.3–3 cm;

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

not rosulate;

petiole 1–8 cm;

blade broadly obovate or oblong to elliptic, 2–10 cm × 20–120 mm, margins usually entire, rarely coarsely dentate-sinuate.

(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 lanceolate to linear, 1–3.5 cm × 3–10 mm, margins entire.

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

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

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, (purplish or green to yellowish green), lanceolate, 7–12 × 2–3 mm (equal);

petals purple or yellowish green, (not or faintly veined),11–17.5 mm, blade 3–6 × 1.8–2.7 mm, not crisped, claw narrowly oblong to narrowly oblanceolate, 8–12 × 3–4 mm;

filaments tetradynamous, median pairs 3.5–8 mm, lateral pair 2–7 mm;

anthers narrowly oblong, equal, 3.5–4.5 mm.

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

ascending, 5–35 mm.

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).

divaricate to ascending (often distinctly curved), terete, 4.5–15.5 cm × 1–1.6 mm;

valves obscurely veined;

ovules 180–210 per ovary;

style 0.2–1 mm;

stigma strongly 2-lobed (lobes 0.9–1.5 mm, connivent, opposite replum).

2–3.5 × 1.7–2.2 mm.

1–2 × 0.8–1.2 mm.

= 28.

= 20.