Flora of North America species comparison

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

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).

petiolate or sessile;

blade base auriculate or not, margins usually entire, dentate, or pinnately divided.

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

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

ebracteate, elongated or not in fruit.

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.

actinomorphic;

sepals ascending to spreading, lateral pair not saccate basally;

petals white, yellow, pink, or purple [orange], claw usually present, sometimes absent, distinct;

filaments unappendaged, not winged;

pollen 3-colpate.

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

(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.

silicles, usually dehiscent, unsegmented, usually angustiseptate, rarely terete;

ovules 2(–4) per ovary;

style distinct, obsolete, or absent;

stigma entire or, rarely, 2-lobed.

ovate, 1.5–2.3 × 1–1.3 mm.

aseriate;

cotyledons accumbent or incumbent.

simple or absent.

= 32, 64.