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, (hollow, sometimes slightly inflated), 2–10 dm.

rosulate;

petiole 0.3–3 cm;

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

rosulate;

petiole 0.5–9 cm;

blade obovate to oblanceolate or elliptic (in outline), 1–14 cm × 5–25 mm, margins entire, dentate-sinuate, lyrate, or pinnatifid-runcinate.

(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.

(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, (creamy white or purple), ovate to lanceolate, 6.5–9.5 × 2.7–4 mm, (equal, pubescent);

petals purple, 11–17 mm, blade 4–7 × 1–1.7 mm, not or hardly crisped, claw oblanceolate, 7–13 × 2.5–3.5 mm;

filaments tetradynamous, median pairs 5–7 mm, lateral pair 4–6 mm;

anthers narrowly oblong, equal, 4–6 mm.

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

ascending, 1–6 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).

erect to ascending, terete or slightly latiseptate, 4.5–12 cm × 2.2–2.8 mm;

valves each with obscure midvein;

ovules 46–58 per ovary;

style obsolete or, rarely, to 0.4 mm;

stigma slightly 2-lobed (lobes opposite valves).

2–3.5 × 1.7–2.2 mm.

2–3.5 × 1.3–1.8 mm.

= 28.

= 28.