Ailanthus altissima (Mill.) Swingle
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Rapidly growing tree with few branches and coarse twigs; lvs large, to 1 m; lfls 11–41 (the terminal one often imperfectly developed or wanting), narrowly oblong, entire except for one or more coarse teeth near the base, each tooth with a large gland beneath; infl pyramidal, 1–3 dm; fls greenish or greenish-yellow, 5 mm wide; frs 3–5 cm × 7–13 mm, twisted; 2n=80. Native of e. Asia, often escaped from cult. in our range, especially in cities. (A. glandulosa)
tree of heaven