Flora of North America species comparison

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

several from base, usually decumbent to ascending, (arising laterally, unbranched, coarse), 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).

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

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

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

subcorymbose.

congested, (elongated in fruit).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

(divaricate, straight), 5–10 mm.

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

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.

flattened, (2–3 mm).

flattened.

= 48–52, 52, 64, 67–70.

= 8, 16.