Gampi or ganpi are a group of Japanese shrubs, members of the genus '' Wikstroemia'', some of which have been used for making paper since the 8th century. It is used to make the high quality
washi
is traditional Japanese paper processed by hand using fibers from the inner bark of the gampi tree, the mitsumata shrub (''Edgeworthia chrysantha''), or the paper mulberry (''kōzo'') bush.
''Washi'' is generally tougher than ordinary ...
paper, as are the
kōzo
The paper mulberry (''Broussonetia papyrifera'', syn. ''Morus papyrifera'' L.) is a species of flowering plant in the family Moraceae. It is native to Asia,mitsumata trees.
Various sources have identified gampi or ganpi as:
*'' Wikstroemia albiflora'' Yatabe: known as Miyama ganpi in Japan
*'' Wikstroemia canescens'' (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.