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 from base, well-exserted from basal leaves, 0.4–1(–1.2) dm.

(clustered at stem base);

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

blade (erect), obovate to orbicular, 1.5–2.5 cm, (base evidently distinct from petiole), margins entire, (folded).

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

blade spatulate, margins entire.

compact, (often nearly subumbellate).

compact, subumbellate.

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 (pale yellow), 4–5 mm;

petals lingulate, 6–7 mm.

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

(ascending, curved to slightly sigmoid), 5–8 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.

ovoid to ellipsoid, slightly inflated, (apex not compressed), 3–4 mm;

valves pubescent, trichomes erect on mature fruits, (± appearing fuzzy);

ovules 8 per ovary;

style 4–5 mm, (glabrous).

flattened.

plump.

= 18, 20, 36.