Flora of North America species comparison

several from base, usually decumbent to ascending, (arising laterally, unbranched, coarse), 1–2 dm.

simple or few to several from base, erect or decumbent, (rarely branched, usually leafy), to 4 dm.

blade pandurate or obovate, 3–6 cm, margins usually deeply and broadly incised, rarely subentire, (apex obtuse).

blade lyrate-pinnatifid, 1–7 cm, margins entire or shallowly dentate.

blade oblanceolate to spatulate, similar to basal, (3–6 mm wide), margins entire, (apex often somewhat acute).

(sessile or shortly petiolate);

blade narrowly obovate to elliptic, 0.5–6 cm, margins entire, repand, or shallowly dentate.

congested, (elongated in fruit).

dense, (elongated in fruit, often subtended by distal cauline leaves).

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

sepals elliptic, 3.7–7.2 mm, (lateral pair somewhat cucullate, median pair thickened apically);

petals (yellow to orange-yellow), obovate to obdeltate, (4.5–)7–10(–11) mm, (tapering to short claw, apex often emarginate).

(usually curving upward, sigmoid), 6–10 mm.

(usually divaricate-spreading, straight or slightly curved, delicate, sometimes drooping, especially on herbarium specimens), 7–10 mm, (somewhat rigid).

didymous, irregular in shape, somewhat angular, inflated, 5–7 × 6–8 mm, (papery, often rigid, base obtuse or truncate, apical sinus broad, open and deep);

valves (retaining seeds after dehiscence), pubescent, trichomes spreading, loose;

replum oblong, often constricted, as wide as or wider than fruit, apex obtuse;

ovules 4 per ovary;

style 5–7 mm.

(sessile or substipitate), globose or broadly obovate, not inflated, 4–6 mm, (smooth);

valves (not retaining seeds after dehiscence), glabrous;

replum as wide as or wider than fruit;

ovules 8–16 per ovary;

style 2–5 mm.

flattened.

flattened.

= 8, 16.

= 14.