Flora of North America species comparison

erect to decumbent, unbranched or branched distally, densely pubescent.

several from base, often unbranched or branched proximally, 0.6–3(–3.5) dm, trichomes simple, to 1 mm, mixed with smaller, dendritic ones.

basal and cauline;

petiolate or sessile;

basal rosulate, petiolate, blade margins usually 1- or 2-pinnatisect, rarely entire.

petiole 0.5–3.2 cm, ciliate or not;

blade obovate to ovate in outline, (terminal segments linear, oblong, or ovate), 0.7–2.5 cm × 4–14 mm, (terminal segments 0.2–1.1 cm × 1–5 mm), margins palmately (3 or) 5 (or 7)-lobed, (surfaces densely pubescent, trichomes dendritic, often mixed with larger, simple ones, to 1 mm), apex obtuse or subacute.

shortly petiolate or sessile;

blade often similar to basal, smaller distally, margins sometimes pinnatifid.

(corymbose, several-flowered), often considerably elongated in fruit.

considerably elongated in fruit.

sepals (sometimes persistent), oblong [ovate];

petals spatulate to obovate or suborbicular, (longer than sepals), claw differentiated from blade, (apex rounded);

stamens slightly tetradynamous;

filaments often dilated basally;

anthers ovate or oblong, (apex obtuse);

nectar glands usually confluent, subtending bases of stamens, median glands present or not.

sepals (usually persistent), 2.5–3.2 mm;

petals purple to lavender, suborbicular to obovate, 4–5 × 1.5–2 mm, narrowed to claw, 1.5–2.5 mm, apex rounded;

anthers oblong, 0.4–0.5 mm.

ascending, spreading, suberect, or divaricate [recurved], slender.

spreading to divaricate-ascending, (secund, often curved), proximalmost bracteate, 6–15(–20) mm, pubescent, trichomes simple mixed with smaller, dendritic ones.

siliques or silicles, usually sessile, rarely shortly stipitate, linear, oblong, obovoid, ellipsoid, spatulate, oblanceolate, suboblong, or pyriform [fusiform, ovoid, suborbicular], smooth, 4-angled, angustiseptate, terete, or subterete [latiseptate];

valves each with prominent or obscure midvein, usually glabrous;

replum rounded;

septum complete or perforated;

ovules 4–18 per ovary;

stigma capitate.

spreading to ascending, usually oblanceolate to spatulate or linear-oblanceolate, rarely oblong-obovate, angustiseptate, (8–)12–28 × 4–8 mm, base cuneate, apex obtuse;

valves each with prominent midvein and distinct lateral veins, (rarely sparsely pubescent);

ovules 10–18 per ovary;

style 0.1–1.1 mm.

plump, not winged, usually oblong, rarely oblong-lanceolate;

seed coat (minutely reticulate), not mucilaginous when wetted;

cotyledons incumbent or accumbent.

1.5–2.2 × 1–1.3 mm.

= 12.