Flora of North America species comparison

several from base, decumbent to ascending (arising laterally, unbranched, stout), (0.2–)0.5–1.7 dm.

several from base, erect, (arising among leaves of an elongated main axis), to 5 dm (± equal).

(petiole somewhat winged);

blades orbicular to obovate, 2–6 cm (width 1–2.5 cm, thick), margins usually repand, rarely entire, (adaxial surface scurfy).

(shortly petiolate);

blade obovate to oblanceolate, (1.5–)2.5–5(–6) cm, margins entire, sinuate to shallowly toothed, or pinnatifid.

blade oblanceolate to broadly spatulate, 1–2 cm (width 3–5 mm), margins entire, (apex obtuse to subacute).

(sessile or shortly petiolate);

blade oblanceolate to oblong, 1.3–3(–4) cm, (base cuneate), margins entire or repand to dentate.

moderately dense (or elongated).

dense.

sepals linear-oblong, 6–8 mm;

petals spatulate, 9–12 mm.

sepals elliptic or obovate, 2.6–4.1 mm, (median pair thickened apically, cucullate);

petals (bright yellow), obovate, 3.5–6.5(–7.5) mm, (margins sinuate).

(divergent, straight to somewhat curved or sigmoid), 5–12 mm.

(usually spreading horizontally, straight), 7–14(–21) mm.

(erect), didymous, cordate, moderately inflated, (6–)10–20 × 10–23 mm, (papery, base obtuse or with obscure sinus, apical sinus deep, broad);

valves (retaining seeds after dehiscence), densely and loosely pubescent, trichomes spreading;

replum linear-oblong, constricted, as wide as or wider than fruit;

ovules 4 per ovary;

style 4–5(–9) mm.

(sessile or substipitate);

globose, often slightly compressed apically, (1–)2–3 mm;

valves sparsely pubescent, sometimes pubescent inside, trichomes spreading, 3–5-rayed;

ovules 4 per ovary;

style 2–3.5(–4) mm.

plump, (broad).

flattened or plump, (often outer surface hemispherical, inner surface flattened, or both surfaces rounded).

= 8, 16.

= 14.