Flora of North America species comparison

several from base, ascending to erect (arising laterally, unbranched), 0.5–1(–2.5) dm.

several from base, decumbent to prostrate, (well-exserted beyond basal leaves), 0.2–0.5 dm.

(ascending to erect, petiole slender);

blade oblanceolate to obovate, 3–8 cm, (base tapering to petiole), margins incised or dentate with broad teeth, (apex acute to obtuse).

(petiole differentiated from blade);

blade (slightly cupped, leathery, nearly 1 mm thick), oblanceolate to orbicular, 1.2–2 cm, margins entire, (apex acute).

blade linear-oblanceolate to oblanceolate, 1–2 cm, margins entire.

blade spatulate, similar to basal.

dense (elongated or not in fruit, 2.5–8.5(–10) cm).

dense, (subumbellate).

sepals (greenish yellow), lanceolate, 6–8.5 mm, (saccate and cucullate);

petals spatulate to narrowly oblanceolate, 7–10(–12) mm.

sepals (pale yellow), elliptic to oblong, 3.5–4.0 mm, (median pair somewhat thickened apically, cucullate);

petals lingulate, 5–6 mm.

(divaricate, straight), 5–11(–15) mm, (rigid, fruits not pendent on arching pedicels).

(ascending, curved), 5–7 mm.

didymous, sides curved and angular, highly inflated, 6–16 × 8–12 mm, (papery, apical sinus broad and concave);

valves (retaining seeds after dehiscence, distinctly 2-keeled on side away from replum), pubescent, trichomes appressed;

replum linear to linear-lanceolate, as wide as or wider than fruit, apex acute;

ovules 4–8 per ovary;

style 2–9 mm, (usually not exceeding sinus).

globose or ellipsoid, slightly inflated (with slight apical constriction), 3–6 mm;

valves pubescent, trichomes closely appressed;

ovules 8 per ovary;

style 1–3 mm (shorter than mature fruit).

slightly flattened, (ovate).

plump, (oblong).