Flora of North America species comparison

few to several from base, erect, (usually unbranched), (1.5–)2.5–4(–6) dm.

few to several from base, prostrate to decumbent or erect, (usually unbranched), 0.3–1.5(–3) dm.

blade elliptic to obovate, 2–6.5 cm, margins entire, sinuate, or remotely toothed, (surfaces occasionally sparsely pubescent).

(petiole slender);

blade suborbicular to obovate or elliptic, 1–8 cm, (base narrowing gradually or abruptly to petiole), margins sinuate-dentate or entire.

(proximal often petiolate, distal sessile or subsessile);

blade oblanceolate to linear, 1–4 cm, margins entire.

(proximal shortly petiolate, distal sessile);

blade oblanceolate, 0.5–1.5(–2.5) cm, margins entire or remotely dentate.

dense, (subumbellate).

dense or loose.

sepals ovate or elliptic, 5.5–10 mm, (median pair thickened apically, cucullate);

petals (bright yellow), obovate to elliptic, 8–14 mm, (sometimes with distinct claw, often retuse).

sepals elliptic or oblong-elliptic, 4.5–7 mm, (median pair cucullate);

petals spatulate, 7–9(–14) mm, (claw undifferentiated from blade).

(ascending), relatively short.

(sigmoid or curved), 5–10(–15) mm.

(shortly stipitate), ± globose or ellipsoid, not or slightly inflated, 5–8 mm;

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

replum as wide as or wider than fruit;

ovules (8–)12–20 per ovary;

style 3.5–5 mm.

(erect), ellipsoid to obovoid, compressed at apex and sometimes margins (strongly latiseptate), (5–)6–9 mm, (apex acute, often beaked);

valves densely pubescent, trichomes appressed or spreading, sometimes sparsely pubescent inside, trichomes 4- or 5-rayed;

ovules 4–12 per ovary;

style (2–)3–6.5 mm, (often sparsely pubescent).

flattened.

inner surface flattened, outer convex.

= 12, 24, 36.