Flora of North America species comparison

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

simple or few from base, prostrate to decumbent (arising laterally from a tuft of leaves, unbranched), 0.5–1.5 dm.

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

blade suborbicular, deltate to rhombic, or elliptic, margins entire or sparsely dentate, 2–4(–6) cm.

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

(shortly petiolate);

blade oblanceolate to linear, 1–2(–3) cm, margins entire.

congested, (elongated in fruit).

loose, (sometimes elongated).

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

sepals lanceolate, 3.5–6(–8) mm;

petals obovate to oblanceolate, (5–)7–8.5(–10) mm.

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

(sigmoid), 5–10 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.

obcordate to truncate or obcompressed, slightly compressed (angustiseptate, inflated at lobe tips), 3–6mm (wider than long);

valves densely pubescent, trichomes appressed or slightly spreading; (septum usually fenestrate);

ovules 4–8 per ovary;

style (slender), 3–6.5 mm, (often pubescent).

flattened.

flattened.

= 8, 16.

= 10.