Pogostemon formosanus
Pogostemon formosanus is a plant species in the family Lamiaceae, first described in 1896. The species is endemic to the island of Taiwan.
Pogostemon formosanus are herbs or suffruticose plants, growing up to 1 m tall and covered with septate hairs; the stems are erect, round or square, and glabrous or sparsely and minutely hairy.