synapomorphy

synapomorphy

1. synapomorphy A morphological character shared by different species and used to group them into the same species group, genus, or higher taxon. Diagnoses a clade or monophyletic group.

共衍徵被不同种共享的一个形态学上的特徵，且用来聚集它们已进入相同的种群、属或较高的分类单元。判断一个演化支或单源群。

2. clade A group defined by at least one shared derived character or synapomorphy inherited from a common ancestor; a monophyletic higher taxon, a branch on a cladogram.

进化枝由共同祖先演化产生的生物群在演化分枝图上的一个分支。

3. nonhomologus synapomorphy

非同源共同衍征