Oreocharis primuloides (Miq.) Benth. & Hook. f. ex Clarke (1883: 63).

Basionym:— Boea primuloides Miquel (1867: 190) .

Homotypic synonyms:— Didymocarpus primuloides (Miq.) Maximowicz (1874: 536), Chirita primuloides (Miq.) Ohwi (1936: 662), Opithandra primuloides (Miq.) B.L. Burtt (1956: 162) .

Heterotypic synonym:— Opithandra primuloides f. albiflora (Makino) Yamazaki (1993: 379) .

Distribution:— Japan (Honshu, Shikoku, Kyushu).

Notes:— Type species of Opithandra and sect. Opithandra .