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.

several from base, prostrate, (slender, sparsely pubescent), 0.5–2 dm.

(clustered at stem base);

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

blade obovate to narrowly elliptic, 1.5–6 cm, margins usually entire, rarely shallowly dentate, (surfaces densely pubescent, often silvery).

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

blade oblanceolate to spatulate, 0.5–1 cm, margins entire, (surfaces often sparsely pubescent).

compact, (often nearly subumbellate).

(narrow), loose, (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 (greenish brown, sometimes magenta), linear or elliptic, 4.3–6(–7.5) mm, (median pair thickened apically, cucullate);

petals (frequently pink or magenta in distal 1/3–1/2), spatulate to oblanceolate, 6–10(–12) mm, (claw undifferentiated from blade).

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

(ascending to somewhat spreading, straight to slightly curved), 4–8(–12) 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.

broadly ovoid to suborbicular, inflated, (terete or, often, slightly angustiseptate), 3–6mm;

valves sparsely pubescent;

ovules usually 4, rarely 6–8 per ovary;

style 3–6.5 mm.

flattened.

plump.

= 18, 20, 36.