Its habitat is lowland mixed dipterocarp to montane forests from sea - level to 2,700 metres ( 9,000 ft ) altitude .
Euonymus castaneifolius grows naturally in Sumatra and Borneo .
Euonymus castaneifolius ' habitat is lowland mixed dipterocarp to montane forests from sea - level to 2,700 metres ( 9,000 ft ) altitude .
Euonymus castaneifolius grows naturally in Sumatra and Borneo .