Flora of North America species comparison

erect, unbranched or branched distally, 0.4–11 dm.

erect or ascending, usually unbranched, rarely branched, (hollow, strongly inflated, fusiform, to 3 cm diam. at widest point), 2–10 dm.

rosulate;

petiole 0.5–3 cm;

blade obovate to broadly oblanceolate, 1–7 cm × 5–37 mm, margins coarsely dentate.

rosulate;

petiole 0.5–9 cm;

blade obovate to oblanceolate (in outline), 1–12 cm × 3–45 mm, margins entire, dentate-sinuate, lyrate, runcinate, or pinnatifid.

(median) sessile;

blade oblong to broadly ovate or obovate, 2–8 cm × 10–40 mm (smaller distally, base amplexicaul), margins coarsely dentate or entire.

(distalmost) shortly petiolate;

blade linear to narrowly oblanceolate, margins entire.

(lax), without a terminal cluster of sterile flowers.

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

sepals erect, (dark maroon-purple or ochroleucous to yellowish), ovate to ovate-lanceolate, 4–9.2 × 2–4 mm (equal);

petals (abaxial pair) usually stramineous to yellowish green, rarely pale purple, (adaxial pair) purple, (slightly longer), 10–18 mm, blade 4–10 × 0.5–1.5mm, crisped, claw narrowly oblong-oblanceolate, 6–10 × 1–3 mm;

filaments in 3 unequal pairs, abaxial pair 3–7 mm, lateral pair 1–5 mm, adaxial pair 4.5–9 mm;

anthers oblong, unequal, 1–3.5 mm (adaxial pair smaller).

sepals erect (creamy white, purplish, or greenish), ovate to lanceolate, 7.5–14 × 2.5–4 mm (equal);

petals brown or purple, 10–15 mm, blade 3–5 × 1.2–2.5 mm, not or hardly crisped, claw oblanceolate, 7–10 × 2–2.5 mm;

filaments tetradynamous, median pairs 3–8 mm, lateral pair 2–7 mm;

anthers narrowly oblong, equal, 3–6.5 mm.

divaricate to ascending, 2.5–19 mm.

ascending, 1–5 mm, glabrous or pubescent, (trichomes flattened).

divaricate to ascending (often distinctly curved), terete or slightly latiseptate, 4.5–14(–16.7) cm × 1–1.5 mm;

valves each with obscure midvein;

ovules 40–92 per ovary;

style 0–0.4 mm;

stigma subentire.

erect to ascending, terete or slightly latiseptate, 4.5–14 cm × 2–2.5 mm;

valves each with obscure midvein;

ovules 98–126 per ovary;

style obsolete or, rarely, to 0.6 mm;

stigma strongly 2-lobed (lobes to 1 mm, connivent, opposite valves).

1.4–2.2 × 0.9–1.2 mm.

1.5–4 × 1.5–2 mm.

= 28.

= 28.