Wisteria sinensis.fr.wikipedia.org (Accessed 5/2014).

Wisteria sinensis is a high climbing woody vine. 

Leaves alternate, pinnately compound, leaflets 7-13, egg-shaped to narrowly egg-shaped 5-8 cm long, tip abruptly pointed, base broadly wedge-shaped, young leaves hairy, becoming mostly hairless when mature; leaves expand early-mid May; winter plant leafless 150 days (Britton 1874). 

Flowers blue-violet, irregular, 2.5 cm, slightly fragrant, in dense, elongate clusters 15-20 cm long; blooming all at once. 

Fruit pods densely velvety-hairy, 10-15 cm, 1-3 seeds (Rehder 1986). 

Wetland status: NL. 

Frequency in NYC: Infrequent. 

Origin: China. 

Habitat: Escaping from cultivation; just as damaging as, and not distinguished from, W. floribunda for this inventory.