A shrubby spurge(Euphorbia antisyphilitica)native to southwest Texas and Mexico,having densely clustered,erect,essentially leafless stems that yield a multipurpose wax.

• 蜡大戟原产于得克萨斯西南和墨西哥的一种灌木状大戟植物（抗梅毒大戟大戟属），具有紧密丛生的、直立的、基本无叶的茎干，从中可提取一种多用途的蜡