Flora of North America species comparison

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

erect, unbranched or branched distally, (hollow, strongly inflated, fusiform, to 4 cm diam. at widest point), 1.5–9.7 dm.

rosulate;

petiole 0.3–3 cm;

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

rosulate;

petiole 0.5–5 cm;

blade obovate to oblanceolate, 1–13 cm × 5–60 mm, margins entire or 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) sessile;

blade ovate to lanceolate, 1–20 cm × 5–70 mm (base amplexicaul), 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, (dark purple at least apically, whitish basally), narrowly ovate to lanceolate or oblong-lanceolate, 5.5–14 × 2–3 mm (unequal, adaxial one slightly smaller or narrower, keeled);

petals purple, 9–14 mm, blade 3–4 × 1.5–2 mm, crisped, claw oblanceolate to oblong, 6–10 × 1.5–3 mm;

filaments in 3 unequal pairs, (median pairs connate), abaxial pair 4–8 mm, lateral pair 3–5 mm, adaxial pair 7–10 mm;

anthers narrowly oblong, equal, 2–4 mm.

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

ascending to divaricate, 3–12 mm, sparsely to densely pilose, or glabrous.

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, 3.5–12.7 cm × 2–3 mm;

valves each with prominent midvein;

ovules 58–82 per ovary;

style obsolete or, rarely, to 0.4 mm;

stigma strongly 2-lobed (lobes opposite valves).

2–3.5 × 1.7–2.2 mm.

1.5–3 × 0.7–1.7 mm.

= 28.

= 28.