Flora of North America species comparison

few to several from base, erect to ascending, branched throughout, (0.7–)1–4.8(–6.1) dm.

often not rosulate;

petiole 1–6 cm;

blade pinnately lobed, (1–)1.5–8(–11) cm × (5–)10–35 mm, margins (of lobes) entire or denticulate.

sessile;

blade linear, (0.8–)1.3–7(–9.5) cm × (0.7–)1–2(–3) mm, base attenuate, not auriculate, margins entire.

petiolate or sessile;

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

elongated in fruit;

rachis puberulent or glabrous.

ebracteate, elongated or not in fruit.

sepals ovate to oblong, 1–2 × 0.8–1 mm;

petals white, suborbicular, 2–3 × 1–2 mm, claw 0.5–1.5 mm;

stamens 6;

filaments 1.5–2 mm, (glabrous);

anthers 0.2–0.4 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.

divaricate to horizontal, straight or recurved to somewhat sigmoid, (terete), 3.5–8(–11) × 0.2 mm, glabrous or puberulent adaxially.

broadly ovate, 2–3.7(–4.3) × (1.5–)1.8–2.9(–3.4) mm, apically winged, apical notch 0.1–0.3(–0.4) mm deep;

valves thin, smooth, not veined, glabrous;

style 0.2–0.6 mm, exserted beyond apical notch.

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, 1.5–1.8(–2) × 0.9–1.2(–1.5) mm.

aseriate;

cotyledons accumbent or incumbent.

simple or absent.

= 32.