Flora of North America species comparison

often simple from base, erect or decumbent basally, branched (several) distally, (0.8–)2–6.5(–9) dm.

branched from base, erect to ascending, often decumbent basally, unbranched or branched (few) distally, 1–5 dm.

(early withered);

not rosulate;

petiole 1–4 cm;

blade obovate, spatulate, or ovate, (1.5–)3–10(–15) cm × 10–40 mm, margins sinuate to dentate or entire.

rosulate;

petiole 1–6.2 cm;

blade oblanceolate or oblong-elliptic, 1–4.5 cm × 4–14 mm, margins entire, repand, or denticulate.

sessile;

blade ovate, elliptic, oblong, or lanceolate, oblanceolate, or obovate, (1–)3–9(–15) cm × (5–)10–20(–50) mm, base sagittate-amplexicaul or auriculate, margins dentate or entire, (surfaces pubescent or glabrous).

sessile;

blade oblong to deltate-lanceolate, 1–3.5 cm × 3–8 mm, base sagittate or auriculate, margins dentate to denticulate.

(corymbose panicles), slightly or considerably elongated in fruit;

rachis glabrous or puberulent, trichomes straight or curved, cylindrical.

much-elongated in fruit;

rachis hirsute, trichomes spreading, straight.

sepals oblong to ovate, 1.5–2.5 × 0.7–1.2 mm;

petals white, obovate, (2.5–)3–4(–4.5) × (1–)1.3–2(–2.2) mm, claw 1–1.7 mm;

stamens 6;

filaments 2–3 mm, (glabrous);

anthers 0.4–0.5 mm.

sepals oblong, 1.6–2.2 × 0.6–1.1 mm;

petals white, spatulate, 1.8–2.8 × 0.8–1.4 mm, claw 1–2 mm;

stamens 6;

filaments 1.8–2.6 mm, (glabrous);

anthers 0.4–0.5 mm.

ascending to horizontal, straight, (terete), 5–10(–15) × 0.2–0.3 mm, glabrous or sparsely puberulent adaxially.

horizontal, straight or slightly recurved, (terete), 2.8–5 × 0.3–0.4 mm, hirsute.

(indehiscent), cordate to subreniform, (2–)2.5–3.7(–4.3) × (3.2–)3.7–5(–5.6) mm, apically (obtuse to subacute), not winged, apical notch absent;

valves thin, smooth, reticulate-veined, glabrous;

style (0.6–)1–1.8(–2) mm.

broadly oblong to ovate, 4–5.5 × 3.5–4 mm, (curved adaxially), apically broadly winged, apical notch 0.2–0.3 mm deep;

valves thin, often not papillate, not veined;

style (0.6–)1–1.5 mm, well-exserted beyond apical notch.

ovate, 1.5–2.3 × 1–1.3 mm.

(dark brown), ovoid, 1.8–2.2 × 1–1.2 mm.

= 32, 64.

= 48.