Flora of North America species comparison

several from base, erect or decumbent (arising laterally, unbranched), 0.5–1.5 mm.

simple from base, erect to decumbent, (unbranched, mostly filiform, slender), 1–1.5 dm.

(petiole slender);

blade obovate to orbicular, 3–6 cm (width 10–20 mm), margins entire or dentate.

(erect, petiole slender);

blades broadly ovate to elliptic, 0.5–1 cm, (base abruptly narrowing to petiole), margins entire.

blade spatulate, 1–2 cm (width 3–6 mm), margins entire, (apex often acute).

(remote, distally shortly petiolate);

blade ± spatulate, (base cuneate), margins entire.

congested.

lax, (elongated, few-flowered).

sepals narrowly lanceolate, 5–8(–9) mm;

petals narrowly oblanceolate, 9–12 mm, (claw undifferentiated from blade).

sepals (erect), oblong, 3.5–4 mm, (lateral pair not saccate);

petals (often fading to light purple apically), spatulate to nearly lingulate, 6–7 mm.

(divaricate, slightly sigmoid), 8–15 mm.

(recurved to widely spreading, filiform, slender), 5–10 mm.

(often purplish in age), didymous, subreniform, strongly inflated, 9–18 × 11–21(–30) mm, (papery, base obtuse to slightly cordate, apical sinus V-shaped or convex, open crests rounded);

valves (2-keeled on side away from replum, each 3-sided, keels rounded, sides flat or slightly convex, retaining seeds after dehiscence), evenly and densely pubescent;

replum oblong, as wide as or wider than fruits, apex obtuse;

ovules 4–12 per ovary;

style (4–)6–8 mm (exceeding sinus).

(pendent), globose or subglobose, compressed, 3–4 mm;

valves ± densely pubescent;

ovules 6–10 per ovary;

style ca. 1.5 mm.

flattened.

not seen.

= 8, 10, 16, 24.