Flora of North America species comparison

scrambling to climbing, 3-4 m. Leaf blade 3-foliolate;

leaflets ovate, largest leaflets usually 3-lobed, 1.5-6 × 1.5-5 cm;

terminal leaflet occasionally 3-cleft, margins usually toothed;

surfaces glabrous or sparsely silky.

viny, to 5 m, glabrous.

blade 1-pinnate;

leaflets 4-10 plus additional tendril-like terminal leaflet, proximal leaflets usually 3-lobed or 3-foliolate, distal leaflets usually unlobed, ovate, 3-10 × 2-7.5 cm, ± thin, not prominently reticulate adaxially;

surfaces abaxially glabrous and glaucous.

axillary, flowers solitary, rarely 3-flowered cymes.

axillary, 1-3-flowered;

bracts about 1/3 distance from base of peduncle.

unisexual;

pedicel (including peduncle) stout, 3.5-11 cm;

sepals wide-spreading, not recurved, white to cream, ovate or elliptic to obovate or oblanceolate, 10-21 mm, abaxially and adaxially pilose;

stamens 50-100;

filaments glabrous;

staminodes absent or 50-100;

pistils 75-100.

ovoid;

sepals deep rose-red to purplish red, ovate-lanceolate, 2-2.5 cm, margins not expanded, thick, not crispate, tomentose, tips long-acuminate, ± recurved, abaxially glabrous.

asymmetric-ovate, not broadly orbiculate, 3-4 × 1.5-2 mm, not conspicuously rimmed, glabrous;

beak 3.5-5.5 cm.

bodies appressed-pubescent;

beak 5-6 cm, plumose.

= 16.

= 16.