Canarium fuscocalycinumCanarium fuscocalycinum is a tree of Borneo in the incense tree family Burseraceae. The specific epithet fuscocalycinum is from the Latin meaning "dark calyx".DescriptionCanarium fuscocalycinum grows as a tree up to tall with a trunk diameter of up to. Its twigs are rusty brown. The ellipsoid fruits measure up to.Distribution and habitatCanarium fuscocalycinum is endemic to Borneo where it is confined to Sarawak. Its habitat is lowland mixed dipterocarp forests.