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, unbranched or branched (few) distally, (0.2–)0.5–1(–1.4) 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.

(often deciduous);

not rosulate;

blade spatulate to oblanceolate, 1–2.5(–3.2) cm × 2–6(–9) mm, margins entire or apically 3(–5)-toothed or -lobed.

sessile;

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

sessile;

blade usually oblanceolate or oblong, rarely obovate, (0.8–)1.3–2.5 cm × (2–)4–7 mm, base obtuse or cuneate, not auriculate, margins entire or apically 3(–5)-toothed.

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

rachis pubescent, trichomes often curved.

slightly elongated in fruit;

rachis puberulent, trichomes straight or curved.

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 suborbicular to oblong-ovate, 1.2–2 × 1–1.5 mm;

petals white, obovate, 2–3.2(–4) × 1.5–2 mm, claw 0.5–1 mm;

stamens 6;

filaments 1.7–2.3 mm, (glabrous);

anthers 0.4–0.7 mm.

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

divaricate-ascending, straight, (slender or slightly stout, terete), (2.5–)3–4.2(–5) × 0.4–0.5mm, usually puberulent throughout, rarely glabrate.

(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.

suborbicular to broadly ovate, (2.5–)3–4.3(–5) × (2–)2.3–4 mm, apically winged, apical notch 0.1–0.4 mm deep;

valves thin, smooth, not veined, glabrous or sparsely puberulent;

style 0.5–1 mm, exserted beyond apical notch.

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

oblong-ovate, (1.8–)2–2.3 × 1–1.2 mm.

= 16.

= 32.