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.

simple or few from base, prostrate or straggling to erect, (sometimes purplish, usually unbranched), (0.5–)1–2(–3) dm.

(clustered at stem base);

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

blade oblanceolate, 1.5–5(–7) cm, margins entire or shallowly dentate, (flat).

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

blade elliptic to linear, (0.5–)1–2.5(–3) cm, margins usually entire.

compact, (often nearly subumbellate).

(secund), dense, (elongated in fruit).

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 oblong, 4–6(–7) mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals (often red or lavender when dried), obovate, 6–8.5(–9.5) mm, (narrowing to broad claw).

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

(usually sharply recurved, sometimes divaricate-spreading or nearly horizontal), 5–15(–20) mm, (stout).

(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.

subglobose, obovoid, or broadly ellipsoid, slightly inflated, (3.5–)4–5.5(–6.5) mm;

valves densely pubescent outside, trichomes spreading or closely appressed, rarely sparsely pubescent inside;

ovules (4–)8(–10) per ovary;

style (slender), 3–5.5(–6.5) mm.

flattened.

slightly flattened.

= 18, 20, 36.