> Hardwoods > Simaroubaceae > Ailanthus > altissima Common Name(s): Ailanthus, tree of heaven, Chinese sumac Scientific Name: Distribution: Native to China; widely naturalized worldwide Tree Size: 65-100 ft (20-30 m) tall, 2-3 ft (.6-1 m) trunk diameter Average Dried Weight: 37.1 lbs/ft3 (600  kg/m3) Specific Gravity (Basic, 12% MC): .44, .60 Janka Hardness: 1,420 lbf (6,300 N) … Continue reading Ailanthus