noun
wisteria vine
Refers to the vine of the wisteria plant, often used in contexts of gardening, crafts, or describing natural scenery.
庭の藤蔓が伸びすぎたので、少し切った。
The wisteria vine in the garden grew too long, so I trimmed it a bit.
藤 refers to the wisteria plant or its flowers, while 藤蔓 specifically means the vine.
Compound of 藤 (fuji, 'wisteria') and 蔓 (tsuru, 'vine'), with rendaku voicing of つる to づる.