Flora of North America species comparison

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

several from base, ascending, branched (several) distally, (0.3–)0.5–2.3(–4) 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.

(soon deciduous), not rosulate;

blade often bipinnately divided.

sessile;

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

attenuate to petiolelike base, to 1 cm;

blade pinnatifid to pinnatisect, obovate to oblanceolate in outline (lobes oblong to linear), 0.5–4 cm × 3–15 mm (smaller distally), base not auriculate, margins (of lobes) entire or dentate.

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

rachis pubescent, trichomes often curved.

slightly elongated, (dense) in fruit;

rachis puberulent, trichomes straight or curved, clavate.

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 ovate to broadly oblong, 1.5–2.2 × 0.8–1.1 mm;

petals white, orbicular to spatulate, 2.5–3.7(–4) × 1.5–2.5 mm, claw 0.8–1.5 mm;

stamens 6;

filaments 1.5–2 mm, (trichomes clavate);

anthers 0.4–0.6 mm.

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

divaricate to horizontal, straight or recurved, (not winged), (2.5–)3–6(–7.5) × 0.2–0.3 mm, puberulent adaxially or throughout.

(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.

orbicular to broadly ovate, 2.2–3.6 × 2–3.4 mm, apically winged, apical notch 0.1–0.3 mm deep;

valves thin, smooth, often not veined, glabrous;

style 0.2–0.8 mm, exserted beyond apical notch.

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

ovate, 1.2–1.8 × 0.9–1.1 mm.

= 16.