Flora of North America species comparison

often bluish green, apically tomentose grading to glabrate.

blade 10-25 × 10-29 cm, membranous;

venation 5 or 7.

blade generally pentagonal, palmately 3-5-lobed, base cordate, margins of lobes entire or coarsely dentate, apex caudate-acuminate, not mucronate;

surfaces sparsely bristly or glabrous.

to 32 cm;

rachis puberulent, glandular.

axillary, racemes or panicles;

bracts absent.

sepals 1.6-4.6 × 0.6-2 mm, glabrous.

3-ranked;

sepals 6-9, elliptic to obovate, glabrous.

stamens to 3 mm.

petals absent;

stamens 6-12;

filaments distinct;

anthers 2-locular;

pistillodes absent.

ovary to 2 mm.

petals absent or vestigial;

staminodes 6-91, poorly developed;

pistils 3;

ovary ellipsoid to fusiform, glabrous;

stigma multicleft.

green at maturity, darkening to deeper green or black upon drying, 15-25 × 10-20 mm.

globose to ellipsoid, glabrous;

endocarp smooth, cup-shaped with erose margins, glabrous.

, climbing to tops of trees;

rhizomes slender, branched.

, twining or clambering.