Accurate identification is critical to distinguish it from native look-alikes like sumac or walnut.
Crushed leaves and stems emit a strong, unpleasant smell often compared to rancid peanut butter or "stink tree". ailanthus altissima
Female trees produce large clusters of "samaras" (twisted, papery wings) that turn from yellow-green to reddish-pink in late summer and can persist through winter. Ecological & Infrastructure Risks Tree of Heaven | (Ailanthus altissima) - Wisconsin DNR Accurate identification is critical to distinguish it from
Smooth and light gray when young, developing shallow diamond-shaped fissures that resemble the skin of a cantaloupe as it ages. ailanthus altissima