Phyllostegia is a genus of flowering plant in the mint family, Lamiaceae, first described in 1840. It is native to certain islands in the Pacific (Hawaii, Tonga and the Society Islands, although it appears to be extinct in the Society Islands).. Phyllostegia glabra var. lanaiensis, became extinct before 2021 and was delisted from the Endangered Species Act based on extinction. Species Phyllostegia ambigua (A.Gray) Hillebr - Hawaii Big Island, Maui Phyllostegia bracteata Sherff - Maui Phyllostegia brevidens A.Gray - Hawaii Big Island, Maui Phyllostegia electra C.N.Forbes - Kauai Phyllostegia floribunda Benth - Hawaii Big Island Phyllostegia glabra (Gaudich.) Benth. - Hawaiian Islands Phyllostegia grandiflora (Gaudich.) Benth - Oahu Phyllostegia haliakalae Wawra - Maui, Molokai Phyllostegia helleri Sherff - Wai'alae Valley of Kauai †Phyllostegia hillebrandii H.Mann ex Hillebr - Maui but extinct Phyllostegia hirsuta Benth. - Oahu Phyllostegia hispida Hillebr. - Molokai Phyllostegia kaalaensis H.St.John - Oahu Phyllostegia kahiliensis H.St.John - Kauai Phyllostegia knudsenii Hillebr. - Kauai Phyllostegia macrophylla (Gaudich.) Benth. - Hawaii Big Island, Maui Phyllostegia mannii Sherff - Molokai, Maui Phyllostegia micrantha H.St.John - Oahu Phyllostegia mollis Benth. - Hawaiian Islands (Maui, Oahu) Phyllostegia parviflora Benth. - Hawaiian Islands Phyllostegia pilosa H.St.John - Hawaiian Islands Phyllostegia racemosa Benth. - Hawaiian Islands Phyllostegia renovans W.L.Wagner - Kauai †Phyllostegia rockii Sherff - Maui but extinct Phyllostegia stachyoides A.Gray - Hawaiian Islands †Phyllostegia tahitensis Nadeaud - Tahiti but extinct Phyllostegia tongaensis H.St.John - Tonga †Phyllostegia variabilis Bitter - Midway Islands but extinct Phyllostegia velutina (Sherff) H.St.John - Hawaii Big Island Phyllostegia vestita Benth. - Hawaii Big Island Phyllostegia waimeae Wawra - Kauai Phyllostegia warshaueri H.St.John - Hawaii Big Island Phyllostegia wawrana Sherff - Kauai Phyllostegia × yamaguchii Hosaka & O.Deg. - Oahu (P. glabra × P. hirsuta) References Lamiaceae genera Taxonomy articles created by Polbot