Flora of North America species comparison

several from base, erect or outer ones decumbent, (unbranched, stout, usually sparsely leaved), 1–3 dm.

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

blade linear, 2–7(–10) cm, margins entire, repand, or shallowly dentate.

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

(sessile);

blade (erect), spatulate to linear, (1–)2–3(–4.5) cm, margins entire, sometimes involute, (apex acute or subacute).

(shortly petiolate);

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

dense, (exceeding basal leaves).

loose, (sometimes elongated).

sepals ovate or oblong, (4.5–)5–6(–7) mm, (lateral pair subsaccate, cucullate, median pair thickened, cucullate apically);

petals spatulate, 7–9(–11) mm (widened at base, slightly retuse).

sepals lanceolate, 3.5–6(–8) mm;

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

(spreading, sharply sigmoid), 8–15 mm.

(sigmoid), 5–10 mm.

(sessile or substipitate), ovate to oblong, not compressed at distal margins or apex, 5–9 mm;

valves sparsely pubescent, trichomes appressed;

ovules 4–8 per ovary;

style 3–5 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.

= 16, ca. 20.

= 10.