Leaves pseudoverticillate, rarely scattered; raceme elongate; calyx tube often with fleshy protuberances; twigs often with some conspicuous and subpersistent bud scales.

• 叶假轮生，很少星散；总状花序拉长；萼筒通常具肉质的突起；小枝通常具一些明显和近宿存芽鳞。(61