Reynoutria paleojaponica Pneva (1989: 1032)

Doweld, Alexander B., 2017, New names in Fallopia, Persicarioipollis, Polygonum and Reynoutria (Polygonaceae), living and fossil, Phytotaxa 308 (1), pp. 66-79 : 74

19. Reynoutria paleojaponica Pneva (1989: 1032) .

Type (lectotype designated here):— RUSSIAN FEDERATION. Primorye territory, Sirenevka ( BIN 88/1319! ( LE), figured in Pneva 2006a: pl. 2: fig. 2).

Stratigraphy:— Upper Miocene (Ust’-Sujfunian suite).

Status:— Leaves.

IFPNI registration lsid:— EBE377FC-D174-4CAD-BFB9-196CA40DD488

Note:— Pneva (1989: 1032) proposed the new fossil-species Reynoutria paleojaponica from the Neogene sediments of the Russian Far East (Upper Miocene) and Japan (Pliocene/Pleistocene of Ushigatani). She designated the figured specimen by Nathorst (1888: pl. 10, fig. 16 as Polygonum cuspidatum Sieb. & Zucc. ) as a holotype, but all the specimens of Nathorst (1888), which were originally deposited in the Geological Survey of the former Japanese Empire by Nathorst (‘in der der geologischen Landesuntersuchung Japan’s’), were later lost by a fire caused by Tokyo air raid during the World War II ( K. Uemura, Honorary Research Fellow, National Museum of Nature & Science, Tokyo, Japan, in litt. to IFPNI Editorial Board). As a consequence, a lectotype is designated here for R. paleojaponica Pneva from the single preserved fossil specimen of Pneva, which originated from the Upper Miocene sediments of Russian Far East (not Pliocene/Pleistocene of Japanese Archipelago).