长椭圆叶巴豆(Croton oblongifolius Roxb)又名虎克巴豆、景谷巴豆。属大戟科巴豆属。于1975年7月20日,由瑞丽县贺允林场引种到龙陵县碧寨公社城墙山队。经试验证明它具有生长迅速、长势旺盛、枝叶茂密、耐早耐瘠、根蘖力强、耐砍耐伐、萌发力强、繁殖简便等特点。栽一株绿一片,是热带、亚热带地区的薪炭林、水土保持林、紫胶寄主的优良树种,可在缺柴区、蔗区、胶区和水土流失严重的地区发展。长椭圓叶巴豆为半常绿中、小型乔木; Croton oblongifolius Roxb, also known as Hock Croton, King Valley Croton. Euphorbia Cordoba is genus. On July 20, 1975, introduced by Ruiyuan County He Yun Lin Chang Bi Ling Walled Longcheng County Wall Hill team. The test proved that it has the characteristics of rapid growth, vigorous growth, dense foliage, resistance to early barren, strong root tillering ability, resistance to chopping and cutting, strong germination ability and easy propagation. Planted a green one, is the tropical and subtropical regions of the firewood forest, soil conservation forest, lacquer host excellent tree species, in the lack of firewood, sugar cane area, rubber and water and soil erosion in areas of serious development. Ellipse leaves Croton semi-evergreen, small trees;