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, (often distal 1/2 branched), to 6 dm.

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

blade obovate, 4–6 cm, margins entire.

blade oblanceolate, to 9 cm, margins entire, dentate, or sinuate to lyrate-pinnatifid.

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

(proximal shortly petiolate, distal sessile);

blade narrowly elliptic to linear, 2–4(–6) cm, margins entire or repand to shallowly dentate.

somewhat loose, (5–15 cm).

loose.

sepals oblong, 5–7 mm;

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

sepals elliptic or elongate-ovate, 3.4–5.2(–6.5) mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals obovate or deltate, 5–10 mm, (sometimes with short claw, margins undulate).

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

(divaricate-ascending to widely spreading, straight), 8–20 mm.

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.

globose or subglobose, sometimes slightly compressed, 3–6 mm;

valves (not retaining seeds after dehiscence), densely papillose, densely pubescent inside, trichomes raised;

replum as wide as or wider than fruit;

ovules 8–18 per ovary;

style 1.5–3.5 mm.

flattened.

flattened.

= 8.

= 12.