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 from base, erect to decumbent, (slender), 0.6–1.5 dm.

(clustered at stem base);

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

blades obovate to deltate, 1.5–3(–4) cm, margins entire or outer one with 1 or 2 broad teeth.

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

blade oblanceolate to spatulate, 0.6–1.5 cm, margins entire.

compact, (often nearly subumbellate).

loose.

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 (green-yellow, often tinged with purple), elliptic, 3–4.6 mm;

petals oblanceolate, 6–8 mm (claw expanded).

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

(sigmoid), 5–9 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.

(depressed), broadly obovate, compressed (angustiseptate), 2–4 mm, (apex slightly bilobed to nearly truncate);

valves densely pubescent, trichomes strongly ascending, spreading, long, (appearing fuzzy), pubescent inside;

ovules 4 per ovary;

style 3–4 mm, (pubescent or glabrous).

flattened.

flattened.

= 18, 20, 36.