Flora of North America species comparison

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

erect, usually branched distally, 1–7 dm.

rosulate;

petiole 0.3–3 cm;

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

rosulate;

petiole 0.2–1 cm;

blade oblanceolate, 1–7 cm × 4–18 mm, margins coarsely dentate or pinnately lobed.

(median) sessile;

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

(median) sessile;

blade ovate to oblong, 2–8 cm × 5–20 mm, (smaller distally, base amplexicaul to sagittate), margins coarsely dentate or 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, (yellow), lanceolate, 3–6.5 × 1.5–2 mm (equal, keeled);

petals creamy white or pale yellow (sometimes with purple midvein), 10–14 mm, blade 4–5 × 1.5–2 mm, not crisped, claw oblanceolate or oblong, 5–9 × 1–1.7 mm;

filaments tetradynamous, median pairs 3–5 mm, lateral pair 2–4 mm;

anthers oblong, equal, 1–3 mm.

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

reflexed, 2–5 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).

usually reflexed, rarely divaricate (often straight), terete, 3–7.5 cm × 1.2–1.5 mm;

valves each with obscure midvein;

ovules 48–62 per ovary;

style 0–3 mm;

stigma 2-lobed.

2–3.5 × 1.7–2.2 mm.

1–2 × 0.9–1.1 mm.

= 28.

= 28.