Tetraplasandra meiandra (Hillebr.) Harms var. tenuistylis Sherff, Bot. Leafl. 6: 35. 1952. Type information: Holotype [BISH]. J. F. Rock and Copeland 10362. December 1914. Hawai`i: Kilauea Volcano. Isotype(s) [BISH!, GH!].