polyphyletic
adj. [生物] 多源的
例句
The results revealed that: 1. The Myriapoda are polyphyletic.
结果表明:1、多足类是复系发生的。
The current Oxyinae is not a monophyletic group, and should be a polyphyletic group.
现行的稻蝗亚科并非一单系群,而是一多系群。