| | | Sequence of a leaf, stem length of each section on two leaves, another relative, such as maple, lilac and other leaves are on the students. | | 对生(opposite)每节上相对着生2枚叶，如女贞、芝麻、薄荷等的叶序。
在对生叶序中，一个节上的2枚叶常与上下相邻的2对叶交叉成十字形，称为交互对生(decussate)，很多对生叶序常为交互对生，如薄荷和水苏。 | | - n.: dichotomy, an exacting microbe
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