Gampi or Ganpi are a group of Japanese shrubs, members of the genus ''

Wikstroemia ''Wikstroemia'' is a genus of 55-70 species of flowering shrubs and small trees in the mezereon family, Thymelaeaceae. Hawaiian species are known by the common name ‘ākia. Medicinal uses ''Wikstroemia indica'' () is one of the 50 fundamen ...

'', some of which have been used for making paper since the 8th century. It is used to make the high quality washi paper, as are kōzo and mitsumata trees. Various sources have identified Gampi or Ganpi as: *''

Wikstroemia albiflora ''Wikstroemia'' is a genus of 55-70 species of Flowering plant, flowering shrubs and small trees in the Daphne mezereum, mezereon family, Thymelaeaceae. Hawaiian species are known by the common name ‘ākia. Medicinal uses ''Wikstroemia indica' ...

'' Yatabe: known as Miyama ganpi in Japan. *''

Wikstroemia canescens ''Wikstroemia'' is a genus of 55-70 species of flowering shrubs and small trees in the mezereon family, Thymelaeaceae. Hawaiian species are known by the common name ‘ākia. Medicinal uses '' Wikstroemia indica'' () is one of the 50 fundamenta ...

'' (Wall.) Meisn. (syn. ''Diplomorpha canescens''): a south Asian plant *''Wikstroemia diplomorpha'': not a valid systematic name *'' Wikstroemia ganpi'' (Siebold & Zucc.) Maxim.: known as Ko ganpi in Japan *'' Wikstroemia kudoi'' Makino: Endemic to Kyushu (Yakushima). Known as Shakunan-ganpi in Japan.Flora of Japan
*'' Wikstroemia pauciflora'' (Franch. & Sav.) Makino: known as Sakura ganpi in Japan *'' Wikstroemia pseudoretusa'' Koidz.: Endemic to the Ogasawara Islands. Known in Japan as Munin-aoganpi. *'' Wikstroemia retusa'' A.Gray: ''Wikstroemia misspelled as Wikstreomia and Diplomorpha sikokiana misspelled as Diplomorphs in this source'' known in Japan as ''Ao ganpi'' *'' Wikstroemia sikokiana'' Franch. & Sav. (syn. ''Diplomorpha sikokiana''): known in Japan as Ganpi *'' Wikstroemia trichotoma'' (Thunb.) Makino: used for paper-making in China, Korea and Japan; known as Ki ganpi in Japan.

References

Trees of Japan Wikstroemia Papermaking {{Thymelaeaceae-stub