Smooth and light gray when young, developing shallow diamond-shaped fissures that resemble the skin of a cantaloupe as it ages.
Ailanthus altissima , commonly known as , is a rapidly growing invasive deciduous tree native to China. Since its introduction to North America in the late 1700s, it has become a major ecological threat due to its extreme adaptability, prolific seed production, and aggressive root system. It is also the preferred host of the invasive Spotted Lanternfly . Key Identification Characteristics 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 Smooth and light gray when young, developing shallow