楼梯草属植物的果实形态特征是属下系的划分和种类鉴定的重要依据之一,对于研究该属演化关系具有重要意义。通过标本查阅及野外调查,为该属七种植物的果实进行了补充描述,对该属的进一步分类修订提供有价值的信息。
The achene of Elatostemais one of the important morphological characters for delimiting infra-generic series and species , while it is significant for understanding the evolutionary relationship in Elatostema.In this paper , based on careful examinations of achenes from several voucher specimens including type , consulting literature and field observations , the descriptions of achenes of seven Chinese species in this genus are presented , this would provide some valuable information for further taxonomic revision of Elatostema.