Flowers unisexual , solitary or fascicled , or in axillary cymes , or terminal or cauliflorous racemelike thyrses .
花单性,单生或者簇生,或者为腋生的聚伞花序,或者顶生或茎生的总状聚伞圆锥花序。
Inflorescence axillary or terminal , racemose , corymbose , paniculate , or sometimes fascicled or solitary flowers .
花序腋生或顶生,总状,伞房状,圆锥状,有时簇生或单花。
Leaves fascicled , opposite , or alternate on elongated branches , long petiolate .
叶簇生,对生,在拉长的分枝,具长叶柄上的或互生。
Leaves alternate , fascicled at nodes , short petiolate or sessile , entire or inconspicuously dentate .
叶互生,簇生在节上,短叶柄或无梗,全缘的或不明显具牙齿。
Leaves opposite . Corymbs short pedunculate or sessile , axillary , often fascicled .
叶对生伞房花序短的有花序梗或者无柄,腋生,经常是簇生。
Inflorescences polygamous , axillary in distal leaves , paniculiform , fascicled from many spikes ; flower clusters alternate , usually a simple dichasium with bisexual flower in middle and sterile female flowers laterally .