Flora of North America species comparison

(0.6–)0.7–1.6(–2.4) dm.

(0.5–)1–1.2(–0.2) dm.

petiole differentiated from blade, (1.7–)2–3.6(–4) times longer than blade;

blade ovate to oblong, 4–8(–9) mm wide, base cuneate.

petiole differentiated from blade, 0.8–1.8 times longer than blade;

blade spatulate to obovate, 5–7(–8) mm wide, base cuneate.

2–6.

2–5.

lax to compact.

lax.

petals white, 3.8–6 × 1.2–2.2(–2.9) mm.

petals white, 6–8 × 1.6–2.5 mm.

horizontal or slightly descending, forming an angle 80º or more with rachis.

strongly ascending to divaricate-ascending, forming an angle 15–70º with rachis.

often strongly winged, obovate to obdeltate, (4–)4.8–7(–8) × (3–)3.5–5.5(–6) mm, 1–2 times as long as wide, apex truncate to strongly emarginate;

style (0.8–)1–2 mm.

not winged, elliptic, 0.7–10.5 × 2.7–4 mm, 2.2–3.2 times as long as wide, apex acute;

style (1.3–)1.5–2(2.4–) mm.

2–4 per fruit.

2–6 per fruit.

= 14.