Flora of North America species comparison

several from base, erect or outer ones decumbent, (unbranched, stout, usually sparsely leaved), 1–3 dm.

several from base, erect, (arising among leaves of an elongated main axis), to 5 dm (± equal).

blade linear, 2–7(–10) cm, margins entire, repand, or shallowly dentate.

(shortly petiolate);

blade obovate to oblanceolate, (1.5–)2.5–5(–6) cm, margins entire, sinuate to shallowly toothed, or pinnatifid.

(sessile);

blade (erect), spatulate to linear, (1–)2–3(–4.5) cm, margins entire, sometimes involute, (apex acute or subacute).

(sessile or shortly petiolate);

blade oblanceolate to oblong, 1.3–3(–4) cm, (base cuneate), margins entire or repand to dentate.

dense, (exceeding basal leaves).

dense.

sepals ovate or oblong, (4.5–)5–6(–7) mm, (lateral pair subsaccate, cucullate, median pair thickened, cucullate apically);

petals spatulate, 7–9(–11) mm (widened at base, slightly retuse).

sepals elliptic or obovate, 2.6–4.1 mm, (median pair thickened apically, cucullate);

petals (bright yellow), obovate, 3.5–6.5(–7.5) mm, (margins sinuate).

(spreading, sharply sigmoid), 8–15 mm.

(usually spreading horizontally, straight), 7–14(–21) mm.

(sessile or substipitate), ovate to oblong, not compressed at distal margins or apex, 5–9 mm;

valves sparsely pubescent, trichomes appressed;

ovules 4–8 per ovary;

style 3–5 mm.

(sessile or substipitate);

globose, often slightly compressed apically, (1–)2–3 mm;

valves sparsely pubescent, sometimes pubescent inside, trichomes spreading, 3–5-rayed;

ovules 4 per ovary;

style 2–3.5(–4) mm.

flattened.

flattened or plump, (often outer surface hemispherical, inner surface flattened, or both surfaces rounded).

= 16, ca. 20.

= 14.