Flora of North America species comparison

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

simple from base (caudex branches), erect to ascending, unbranched distally, 0.05–0.2 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 undifferentiated;

blade obovate, 2.5–5 cm × 15–25(–35) mm, margins entire, (ciliolate), apex deeply 3-lobed (lobes ovate to suborbicular, margins entire).

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).

absent.

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

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

slightly elongated in fruit, (2–7-fruited);

rachis puberulent, trichomes straight, cylindrical.

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 (tardily deciduous), obovate, 1.3–4 × 0.8–1.1 mm;

petals pale yellow or creamy white, spatulate, 1.8–2.9 × 0.8–1.2 mm, claw 0.8–1.1 mm;

stamens 6;

filaments 1.4–2 mm, (glabrous);

anthers 1.4–2 mm.

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

suberect to ascending, often straight, (terete), 2–4.5 × 0.2–0.3 mm, puberulent throughout.

(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.

ovate, 2–4.2 × 1.5–3 mm, often apically winged, apical notch 0.1–0.2 mm deep;

valves thin, smooth, not veined, glabrous;

style (0.4–)0.6–1(–1.2) mm, exserted beyond apical notch.

ovate, 1.5–2.3 × 1–1.3 mm.

oblong, 1–2 × 0.8–1 mm.

= 32, 64.