Flora of North America species comparison

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

few to several from base, prostrate to erect or spreading, 0.05–0.5(–1.2) dm.

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

(petiole and blade differentiated or not);

blade spatulate to elliptic or linear or narrowly oblanceolate, 0.5–1.5(–2.5) cm, margins entire.

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

similar to basal, smaller.

congested, (elongated in fruit).

dense.

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

sepals narrowly lanceolate to lanceolate, 2.8–6 mm;

petals (pale to deep yellow), narrowly lanceolate to oblanceolate, 5–9 mm, (claw undifferentiated from blade).

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

(ascending, straight or slightly curved), 2–6 mm.

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 subglobose to obovoid, not or slightly inflated, 3–6 mm, (firm, apex acute);

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

replum as wide as or wider than fruit;

ovules 4–8 per ovary;

style 1.7–6 mm.

flattened.

flattened.

= 8, 16.