Summerh. 1928 - Decades Kewenses. Plantarum Novarum in Herbario Horti Regii Conservatarum. Decas CXX (1928) Decades Kewenses. Plantarum Novarum in Herbario Horti Regii Conservatarum. Decas CXX. Bulletin of Miscellaneous Information (Royal Gardens, Kew) 1928(4): 141. doi: 10.2307/4107121.
No known synonyms