Noun
A Japanese shrub of the genus Wikstroemia, some species of which have been used for making paper in Japan, including:
Wikstroemia albiflora (miyama ganpi).
Wikstroemia canescens, a south Asian plant
Wikstroemia ganpi (ko ganpi)
Wikstroemia kudoi (shakunan-ganpi), endemic to Kyushu (Yakushima)
Wikstroemia pauciflora (sakura ganpi)
Wikstroemia pseudoretusa (munin-aoganpi), endemic to the Ogasawara Islands
Wikstroemia retusa (ao ganpi)
Wikstroemia sikokiana (ganpi) (syn. Diplomorpha sikokiana) (ki ganpi)
Wikstroemia trichotoma
Source: en.wiktionary.org