Flora of North America species comparison

simple or few from base, ascending to erect, (0.5–)1–2(–3.5) dm.

simple from base, erect to decumbent, (well-exserted beyond basal leaves, loosely spreading), 0.3–1.2 dm.

(petiole tapering to blade);

blade rhombic to elliptic and irregularly angular, sometimes spatulate to oblanceolate, 1.5–7.5(–10) cm, margins entire.

(erect to prostrate, petiole distinct from blade);

blade (inner) spatulate to oblanceolate, or (outer) oblanceolate or orbicular, 1.5–4 cm, margins entire (rarely folded).

(not or loosely overlapping, petiolate or distal sessile);

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

blade spatulate, distinctly different from basal.

crowded, elongated.

moderately dense, (6–20-flowered).

sepals ovate, oblong, or elliptic 4–7.5 mm, (median pair thickened apically, cucullate);

petals spatulate or broadly cuneate, 6–13 mm, (claw slightly expanded at base).

sepals (pale yellow), elliptic, 3.5–5 mm;

petals lingulate, 6–9 mm.

(ascending, curved or sigmoid), 6–12(–20) mm.

(strongly sigmoid), 10–20 mm (2 times longer than fruits).

(substipitate), globose or obovoid to ellipsoid, sometimes slightly obcompressed, 4–9 mm;

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

replum as wide as or wider than fruit;

ovules 4–24 per ovary;

style (2–)4–7 mm.

lanceolate or orbicular, slightly inflated, (2.5–)3–6 mm, (apex usually strongly narrowed);

valves pubescent, trichomes sparse and closely appressed to surface;

ovules 4–8 per ovary;

style 2.5–6 mm (usually ± equal in length to mature fruit).

flattened.

plump.

= 10.