Deciduous woody climbers, bearing tendrils opposite the leaf-scars, absent from every third node. Stems terete, moderate or slender; nodes swollen; pith relatively large, continuous. Buds moderate, frequently collaterally branched, sessile, round-conical; terminal bud absent. Leaf-scars indistinct, in an ellipse; stipule-scars long and narrow. Psedera Neck.
Fig. 210. Parthenocissus quinquefolia.
Fig. 211. Parthenocissus tricuspidata.
Branchlets usually pubescent, nearly terete
Branchlets essentially glabrous, channeled
1. P. quinquefolia (L.) Planch. Virginia Creeper. High-climbing or trailing woody plant; twigs usually pubescent; tendrils with 5-12 rather long branches ending in adhesive disks. Woods, Florida to Texas and Mexico, north to Maine and Minnesota (Fig. 210).
2. P. tricuspidata (Sieb. and Zucc.) Planch. Boston Ivy. High climbing; twigs glabrous; tendrils short, much-branched. Introduced from Asia, locally escaped from cultivation (Fig. 211).