Flora of North America species comparison

3–50 cm.

soft, flattened after pressing and appearing winged, glabrous.

petiole 0.3–5 cm;

blade usually ovate to broadly ovate, rarely suborbiculate, 1.5–7.5(–11) × 1.5–5.5(–8) cm.

petiole 0.3–4 cm;

blade 1.5–7.5 × 1.5–5.5 cm, margins conspicuously dentate, base usually cordate to sub-cordate, rarely truncate or rounded, apex short acuminate to acute.

0.7–12(–17) cm.

glabrous or sparsely to densely glandular puberulent.

opening before elongation of axis, corymbiform;

pedicels erect or ascending at anthesis, 0.7–3.5 mm, with or without a minute, setaceous bracteole at base;

floral tube a mere constriction to 0.6 mm, funnelform to very broadly so, nectary wholly within floral tube;

sepals white or pink, sometimes purple tinged apically, oblong or ovate to broadly ovate, 0.8–1.8(–2.2) × 0.6–1.3 mm;

petals white, obtriangular or obdeltate to obovate or broadly obovate, 0.6–2 × 0.6–1.8 mm;

apical notch to 1/2 length of petal;

filaments 0.7–2.2 mm;

style 0.6–2.3 mm.

clustered at apex of raceme, opening before elongation of raceme axis;

floral tube a mere constriction between ovary and base of sepals to 0.5 mm;

apical notch of petal 1/4–1/2 length of petal;

pedicel and mature fruit combined length 3.7–6.5 mm.

clavoid, tapering smoothly to pedicel, without ribs or grooves, 1.6–2.6 × 0.5–1.2 mm, 1-locular, 1-seeded;

pedicel and mature fruit combined length 3.5–7.8 mm.

= 22.