绒苞藤（学名：Congea tomentosa）为马鞭草科绒苞藤属下的一个种。

Congea tomentosa is a large tropical evergreen vine, commonly referred to as Wooly Congea, Shower Orchid, or Shower of Orchid. (Despite the name, it is not closely related to orchids). It is called lluvia de orquideas or terciopelo in Spanish, krua on in Thai, and rong bao teng in Chinese. Native to Myanmar and Thailand, it can be found elsewhere in South Asia, including Laos, Vietnam, Malaysia (Kedah), China (Yunnan), Bangladesh, and India (Assam, Manipur, Tamil Nadu, and West Bengal). Its native habitat is mixed forests 600–1200 meters above sea level.