Flora of North America species comparison

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

several from base, (slender), erect or outer decumbent, (usually branched, branches filiform, bud clusters of growing plants drooping), to 2.5 dm.

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

blade obovate, 4–6 cm, margins entire.

blade orbicular to broadly spatulate, 1–2.4 cm, margins entire or sinuate.

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

(proximal often petiolate, distal sessile);

similar to basal, blade spatulate to oblanceolate or (distal) linear, (base cuneate), margins entire or sinuate.

somewhat loose, (5–15 cm).

loose.

sepals oblong, 5–7 mm;

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

sepals oblong or elliptic, 2.5–4.6 mm, (median pair slightly thickened apically);

petals (pale yellow), spatulate to obovate, 5–9 mm, (apex ± emarginate).

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

(usually divaricate-ascending, straight or slightly curved), 7–11 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.

(sessile or shortly stipitate), globose, not inflated, 3–4 mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

replum as wide as or wider than fruit;

ovules 4 per ovary;

style 3–5 mm.

flattened.

flattened.

= 8.

= 14.