Lamioideae comprised the second‐largest subfamily in Lamiaceae. Although considerable progress has recently been made in the taxonomic study of Lamioideae, the subfamily remains one of the most poorly investigated subfamily in Lamiaceae. Therefore, the present study was designed with the aim to document the pollen micromorphology of some selected Lamioideae taxa and its taxonomic significance from Pakistan. Pollen micromorphological features were observed using scanning electron microscopy. The pollen grains are monad, tricolpate, radially/bilateral symmetrical. The pollen grains were small to medium‐sized having oblate, oblate/subspheroidal, and subspheroidal shape. Exine sculpturing was observed as reticulate, microreticulate, and bireticulate. The colpus surface ornamentation was found as verrucate, gemmate, scabrate, and psilate. There was a considerable variation between the species in the micromorphology, that is, the coarseness of the reticulum, thickness of the muri comprising the reticulum and the number of secondary lumina per primary lumen. Hence, this study documented the pollen morphology of some selected taxa of the subfamily Lamioideae from Pakistan and strengthens the taxonomic identification of subfamily based on pollen characters, which helps in the correct identification, discrimination of the species of Lamioideae at generic and species level.

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唇形科特定分类群的孢粉学特征及其分类学意义

唇形科是唇形科第二大亚科。尽管最近在唇形科的分类学研究中取得了相当大的进展，但该亚科仍然是唇形科中研究最少的亚科之一。因此，本研究旨在记录巴基斯坦一些选定的唇形科分类群的花粉微形态及其分类学意义。使用扫描电子显微镜观察花粉微形态特征。花粉粒是单子，三叶草，径向/双侧对称。花粉粒小到中等大小，有扁圆形、扁圆形/近球形和近球形。观察到外壁雕刻为网状、微网状和双网状。丘脑表面纹饰被发现为疣状、宝石状、疤痕状和斑块状。不同物种之间在微形态上存在相当大的差异，即网状结构的粗糙度、构成网状结构的壁厚和每个初级管腔的次级管腔数量。因此，本研究记录了巴基斯坦唇形亚科部分选定分类群的花粉形态，加强了基于花粉特征的亚科分类鉴定，有助于在属和种水平上正确识别、鉴别唇形亚科的物种。