Ulmus parvifolia  Chinese elm; lacebark elm  Ulmaceae ULPA*; Bx, bs; R;

 

Ulmus parvifolia. Pieter Pelser.phytoimages.siu.edu.(Accessed 7/2014)..

Ulmus parvifolia. Pieter Pelser.phytoimages.siu.edu.(Accessed 7/2014)..

Ulmus parvifolia is a tree 15-25 m tall, trunks sometimes fluted, bark mottled, flaking, twigs slender, finely hairy; winter buds small, to 0.3 cm long; stipules linear, base narrow. 

Leaves alternate, elliptic, 2-5 cm long, tip pointed, base unequal, smooth above, becoming leathery, margin toothed. 

Flowers green, small, in axillary clusters; blooms Aug.-Sept. 

Fruit dry, 1-seeded, elliptic to egg-shaped, about 1 cm long, notched at tip. 

Wetland status: NL. 

Frequency in NYC: Very infrequent. 

Origin: N.E. Asia. 

Habitat: Naturalized in horticultural sites, tolerates soil pH 4.8-7 (USDA, NRCS 2010). Notes: Apparently resistant to Dutch elm disease (Dirr 1990).