意杨2-3-5-10 cm。构树粗2-3-5-8-10-50 cm,有0.5-2米小苗。垂柳3-5-8-10-30cm,龙爪槐5-10cm,合欢5-10-15cm,榉树5-8-10-15-30 cm,水杉树2-3-5-8-