Flora of North America species comparison

simple or several from base, erect or ascending, branched distally, (1–)1.5–3.5(–5) dm.

simple from base, erect, branched distally, (2–)3–8(–11) dm.

(often withered by anthesis);

not rosulate;

petiole 0.5–1.5 cm;

blade obovate to oblanceolate, (1–)2–6(–7) cm × 3–20 mm, margins dentate to sinuate.

rosulate (on sterile shoots);

petiole (1.5–)2.5–8(–10) cm;

blade oblanceolate to spatulate, (2–)3–7(–9) cm × 5–23(–32) mm, margins crenate to serrate-crenate.

sessile;

blade oblong or lanceolate, 1–5(–8) cm × (3–)5–15(–30) mm, base sagittate, margins dentate or subentire, (surfaces pubescent).

shortly petiolate or sessile;

blade oblong to oblanceolate, 1–3.5 cm × 4–15 mm, base cuneate, not auriculate, margins entire.

(usually corymbose, rarely paniculate), rarely elongated in fruit;

rachis pubescent, trichomes often curved.

(subcorymbose panicles), slightly elongated in fruit;

rachis puberulent, trichomes straight.

sepals oblong, 1.4–2 × 0.7–1 mm;

petals white, broadly obovate, (2.2–)2.8–4 × 1–3 mm, claw 1–1.4 mm;

stamens 6;

filaments 2–2.5 mm, (glabrous);

anthers 0.4–0.5 mm.

sepals oblong to ovate, (1–)1.3–1.8(–2) × 0.9–1.2 mm;

petals white, suborbicular to broadly obovate, (1.8–)2–3 × 1.3–2 mm, claw 0.5–1 mm;

stamens 6;

filaments 1.4–1.6 mm, (glabrous);

anthers 0.5–0.7 mm.

divaricate to ascending, straight or slightly curved, (terete), 3–9(–12) × 0.2–0.3 mm, pubescent.

divaricate-ascending to horizontal, straight, (terete), 3–6(–8) × 0.2–0.25 mm, puberulent adaxially.

(indehiscent), globose or, rarely, subglobose, (2–)3–4.4(–5) mm diam., (inflated), apically not winged, apical notch absent;

valves thin, smooth, not veined, densely puberulent;

style 0.5–1.5 mm.

broadly ovate, (2.5–)3–3.5(–4) × (2–)2.3–2.8 mm, apically winged, apical notch 0.1–0.2mm deep;

valves thin, smooth, not veined, glabrous;

style 0.2–0.6 mm, exserted beyond apical notch.

(brown or dark brown), ovoid, 1.5–2 × 1–1.5 mm.

ovate, 1.5–2 × 1–1.3 mm.

= 16.