Lappula is a plant genus that belongs to the family Boraginaceae. This genus contains several species of plants that are known for their small, blue flowers and prickly seed pods. The most common synonym for Lappula is stickseed, as the plant's seeds often stick to clothing and fur. Other synonyms for Lappula include bristle-clover, bristly heliotrope, and tansy mustard. Some members of the Lappula genus have been used in traditional medicine for their anti-inflammatory properties, while others have been used in cooking as a substitute for capers. With its unique characteristics and prominent prickly seed pods, Lappula is a fascinating plant with many interesting synonyms.