The carcerulus is typical of the Lamiaceae family, e.g. deadnettle (Lamium).

是薄荷（科）植物的典型特征。

The resemblance of families such as the Verbenaceae and Labiate is the result of evolutionary convergence .

科的相似性，如马鞭草科与科的相似性，是化上的趋同造的。