It is an evergreen woody vine with long climbing stems, growing in mixed forests to 20–30 m high where suitable trees, are available, does not grow well as a groundcover plant. It climbs by means of aerial rootlets which cling to the substrate.
Leaves thin, glossy, light green, entire or with wavy margins, 10–12 cm x 6–9 cm, often rounded and rarely oblong-elliptic, deeply or shallowly lobed, cordate or cuneate at the base.
A rare relict species of the Greater Caucasus (Balakan, Zagatala, Gakh, Sheki and Khachmaz regions), Talysh (Astara, Lankaran, Masalli regions). Outside Azerbaijan - Eastern Transcaucasia, Iran. Habitat in the forests of the lowlands up to the middle mountain zone mainly on the forest edges and clearings, climbs high on the trees, does not crawl along the rocks. It is protected in the Zakatala and Girkan reserves. A preserve is being set up in the Samur River’s delta (the Khachmaz region) for wider cultivation to protect the lowland riparian woodlands.
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