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), 2–12 dm.

rosulate;

petiole 0.3–3 cm;

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

rosulate;

petiole 0.5–3.5 cm;

blade oblanceolate to oblong (in outline), 1.5–11.5 cm × 5–55 mm, margins pinnately lobed (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) sessile;

blade lanceolate-linear, margins entire, (surfaces sparsely hispid).

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

(somewhat lax), 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), lanceolate to ovate, 3–6.5 × 1.8–2.5 mm (equal);

petals creamy white, 6–10.5 mm, blade 3–4 × 1.5–2 mm, not crisped, claw narrowly oblanceolate or oblong, 3–6 × 2–3 mm;

filaments in 3 unequal pairs, abaxial pair 2.5–6 mm, lateral pair 1.5–4.5, adaxial pair 4.5–8 mm;

anthers narrowly oblong, unequal, 2–3 mm (adaxial pair slightly smaller).

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

ascending, 9–25 mm, hispid or subglabrate.

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 (sometimes curved), terete, 6.5–12.5 cm × 1.8–2.2 mm;

valves each with prominent midvein;

ovules 78–96per ovary;

style to 2 mm;

stigma slightly 2-lobed.

2–3.5 × 1.7–2.2 mm.

1–1.6 × 0.7–1 mm.

= 28.