Racemes cauliflorous , often on old woody stems , 3-5-flowered , rachis short .
茎生花的总状花序,通常在老的木质茎,3-5花,轴短。
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。
Inflorescences axillary , ramiflorous , cauliflorous , or terminal , simple or rarely compound , with flowers borne laterally either in pairs or sometimes singly , racemose , sometimes spicate , paniculate , or condensed into a head ; bracts subtending flower pairs usually small , sometimes accrescent and woody ; floral bracts usually minute or absent .