Flora of North America species comparison

several from base, erect to decumbent, (unbranched, stout, densely leafy sterile shoots sometimes present), (0.5–)4–2.5 dm.

few to several from base, erect or outer ones decumbent, 0.5–4 dm.

(clustered at stem base);

blade linear to linear-oblanceolate, 2–5 cm, margins entire, usually involute, sometimes flattened, (apex obtuse to subacute).

(long-petiolate);

blade elliptic to obovate or rhombic, 2–6(–9) cm, margins entire.

blade linear-oblanceolate to linear, 1–3.5(–4.5) cm, margins entire, usually involute.

(sessile or shortly petiolate);

blade oblanceolate to spatulate, 1–3 cm, (proximal broader), margins entire.

compact, (often nearly subumbellate).

dense, (relatively short).

sepals (yellowish or greenish yellow), ovate or oblong, 4.5–7.5(–9) mm, (lateral pair sometimes cucullate, median pair tapering at both ends, thickened apically, cucullate);

petals spatulate or oblong, 6.5–10.5(–15) mm, (base sometimes widened, apex rounded or retuse).

sepals elliptic or narrowly oblong, 4–5.4 mm, (tapered to apex);

petals (white, base and claw yellow, conspicuously purple-veined), usually broadly obovate or rhombic, 6–10 mm, (± equal to blade, tapering to slender claw).

(often expanded distally, ascending or recurved, usually straight or slightly curved, rarely nearly sigmoid), 4–15 mm, (stout).

(erect to spreading, ascending, or (proximal) horizontal, straight to slightly curved, sometimes loosely sigmoid), 6–12(–20) mm.

(sessile or substipitate), subglobose to slightly ovoid, usually inflated, rarely compressed or obcompressed, 4–6(–10) mm, (apex acute, slightly flattened);

valves sparsely pubescent, trichomes appressed;

ovules (8–)12–16(–20) per ovary;

style (2–)3–4.5(–5.5) mm.

(sessile or substipitate, often reddish magenta), usually ovoid to subglobose, inflated, 4–6(–7) mm;

valves (not retaining seeds after dehiscence), glabrous;

replum as wide as or wider than fruit;

septum perforate;

ovules 8–12 per ovary;

style 1.5–4 mm.

flattened.

somewhat flattened.

= 18, 20, 36.

= 12.