芫花（学名：Daphne genkwa）为瑞香科瑞香属下的一个种。

• 芫花 Yuanhua 中药材图像数据库 (香港浸会大学中医药学院)
• 新二萜芫花酯甲 Yuanhuacine 中草药化学图像数据库 (香港浸会大学中医药学院) （中文）（英文）

Daphne genkwa Siebold & Zucc. is an evergreen shrub and one of the 50 fundamental herbs used in traditional Chinese medicine, where it has the name yuán huā (Chinese:芫花).

The plant was discovered by the prolific plant collector Charles Maries.