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

是薄荷类（唇形）植物的典型。

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

的相似性，如马鞭草与唇形的相似性，是化上的趋同造成的。