Engelhardia apoensisEngelhardia apoensis is a tree in the family Juglandaceae. It is named for Mount Apo in the Philippines.DescriptionEngelhardia apoensis grows up to tall, with a trunk diameter of up to. It has buttresses up to high and extending out to. The bark is reddish to grey. The papery leaves are lanceolate to ovate and measure up to long. The feature. The fruits are winged.Distribution and habitatEngelhardia apoensis is native to Peninsular Malaysia, Borneo and the Philippines. Its habitat is mixed dipterocarp forests, at elevations of.