Flora of North America species comparison

several from base, erect or somewhat decumbent, (unbranched), 1–3.5 dm.

simple or few to several from base, erect or decumbent, (rarely branched, usually leafy), to 4 dm.

(petiole slender, usually incised or with broad teeth along petiole);

blade obovate, 4–6 cm, margins entire.

blade lyrate-pinnatifid, 1–7 cm, margins entire or shallowly dentate.

blade oblanceolate or broader, 1.5–2.5 cm, margins entire or sparsely dentate, (apex acute).

(sessile or shortly petiolate);

blade narrowly obovate to elliptic, 0.5–6 cm, margins entire, repand, or shallowly dentate.

somewhat loose, (5–15 cm).

dense, (elongated in fruit, often subtended by distal cauline leaves).

sepals oblong, 5–7 mm;

petals (lemon yellow), spatulate, 9–12 mm.

sepals elliptic, 3.7–7.2 mm, (lateral pair somewhat cucullate, median pair thickened apically);

petals (yellow to orange-yellow), obovate to obdeltate, (4.5–)7–10(–11) mm, (tapering to short claw, apex often emarginate).

(spreading or ascending, curved, fruits not pendent), 10–20 mm.

(usually divaricate-spreading, straight or slightly curved, delicate, sometimes drooping, especially on herbarium specimens), 7–10 mm, (somewhat rigid).

didymous, obreniform, moderately inflated, angustispetate, (8–)10–12(–15) × 10–14(–16) mm, (papery, not keeled, basal sinus absent, apical sinus broad and open);

valves (retaining seeds after dehiscence, rounded or irregular), loosely pubescent, trichomes spreading;

replum broadly lanceolate, as wide as or wider than fruit, apex acute;

ovules 8 per ovary;

style 1–2 mm.

(sessile or substipitate), globose or broadly obovate, not inflated, 4–6 mm, (smooth);

valves (not retaining seeds after dehiscence), glabrous;

replum as wide as or wider than fruit;

ovules 8–16 per ovary;

style 2–5 mm.

flattened.

flattened.

= 8.

= 14.