OregonFlora species comparison

(0.5)1.5–8(10) dm.

(2)3.5–15(20) × (0.7)1–4.5(6) cm, bases not or rarely minutely auriculate;

margins deeply pinnatisect;

lateral lobes 3–6 on each side of midvein, linear, lanceolate, oblong, or ovate, dentate or subentire, petiolate.

similar to basal, bases uppermost pinnatisect, with 1–3 lateral lobes, usually subsessile.

fruiting pedicels divaricate; straight; (3)4–10(12) mm.

sepals ascending or spreading, caducous, 1.8–3(3.5) mm;

petals spatulate or obovate; (2.5)3–5.5(6) × 1.5–2.5 mm;

ovules 24–80 per ovary;

septa complete;

styles 0.5–1(1.5) mm.

siliques, linear, 10–20(25) × (0.7)1–1.3(1.6) mm, glabrous;

valves glabrous.

rarely produced, uniseriate or subbiseriate; ovoid, 0.5–0.9 × 0.4–0.5 mm; reddish brown.

=32, 40, 48.