Clethra pachyphyllaClethra pachyphylla is a tree in the family Clethraceae. The specific epithet pachyphylla is from the Greek meaning 'thick leaves'.DescriptionClethra pachyphylla grows up to tall. The fissured bark is pale grey. The scented flowers are white. The roundish fruits measure up to in diameter.Distribution and habitatClethra pachyphylla is endemic to Malaysian Borneo. Its habitat is hill and montane forests from to altitude.