Flora of North America species comparison

several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.

several from base, erect or lateral decumbent, (unbranched), 1–2 dm.

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

(petiole usually winged);

blade broadly oblanceolate, 3–8 cm, margins usually dentate or pinnatifid, rarely subentire, (terminal lobe acute or obtuse, not rounded).

blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.

blade spatulate to linear-oblanceolate, 1–3 cm, margins usually entire, rarely toothed, (apex acute).

subcorymbose.

loose (and greatly elongated in fruit) to congested.

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

sepals linear-oblong, 5–7 mm;

petals spatulate, 9–11 mm.

(divaricate, straight), 5–10 mm.

(recurved), 6–15 mm.

didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);

valves (retaining seeds after dehiscence), evenly pubescent;

replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;

ovules 8–10 per ovary;

style 5–7 mm.

(usually pendent on arching pedicels, less frequently widely divergent), irregular in shape, (base obtuse or slightly cordate, apex deeply and broadly notched), not strongly inflated, 8–11 × 8–12 mm, (papery);

valves retaining seeds after dehiscence;

replum linear-oblong, constricted, 2.5–4 mm, as wide as or wider than fruit, apex obtuse;

ovules 4 per ovary;

style 5–8 mm.

flattened, (2–3 mm).

flattened.

= 48–52, 52, 64, 67–70.