Flora of North America species comparison

several from base, ascending to erect (arising laterally, unbranched), 0.5–1(–2.5) dm.

several from base, decumbent to erect, (several-branched, frequently stout), 1.5–6 dm.

(ascending to erect, petiole slender);

blade oblanceolate to obovate, 3–8 cm, (base tapering to petiole), margins incised or dentate with broad teeth, (apex acute to obtuse).

blade elliptic, (1.5–)3–6.5 cm, margins entire, repand, or shallowly dentate.

blade linear-oblanceolate to oblanceolate, 1–2 cm, margins entire.

(proximal shortly petiolate, distal sessile);

blade linear to elliptic or obovate, (0.5–)1–3.5(–4.5) cm, margins entire or repand.

dense (elongated or not in fruit, 2.5–8.5(–10) cm).

loose.

sepals (greenish yellow), lanceolate, 6–8.5 mm, (saccate and cucullate);

petals spatulate to narrowly oblanceolate, 7–10(–12) mm.

sepals oblong, lanceolate, or elliptic, (3–)3.5–6(–7.5) mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals (yellow to orange), suborbicular or obovate, (5–)6.5–8(–11) mm, (narrowing gradually to broad claw, usually widened at base).

(divaricate, straight), 5–11(–15) mm, (rigid, fruits not pendent on arching pedicels).

(recurved, sigmoid), 5–15 mm.

didymous, sides curved and angular, highly inflated, 6–16 × 8–12 mm, (papery, apical sinus broad and concave);

valves (retaining seeds after dehiscence, distinctly 2-keeled on side away from replum), pubescent, trichomes appressed;

replum linear to linear-lanceolate, as wide as or wider than fruit, apex acute;

ovules 4–8 per ovary;

style 2–9 mm, (usually not exceeding sinus).

(sessile or shortly stipitate), orbicular or obovoid, often slightly compressed, (3.5–)4–6 mm;

valves sparsely pubescent, trichomes sessile and stellate, densely pubescent inside, trichomes simple or branched;

ovules 4–12 per ovary;

style 2–4.5 mm.

slightly flattened, (ovate).

flattened.

= 10, 20.