(des sources variées, pas inclus dans Coste) :
Plante vivace rampante/grimpante, hauteur 5-10 M, vrilles <6 mm, se coller aux supports durs,
Écologie : .ripisylves
Répartition hors de France : Introduit dAmérique nord
(various sources, as not in Butcher)
Deciduous perennial woody climber that grows prolifically to 15m or more. It climbs by means of small branched twining tendrils which may have swollen ends.
Ecology UK: Introduced. Naturalised close to gardens, along river banks.
Distribution outside France: ?
Fleurs : inflorescences axillaires, grande
Flowers: Small greenish flowers in loosely branched clusters;