madhuca pubicalyx is a tree in the family sapotaceae. it grows up to tall, with a trunk diameter of up to . the bark is greyish brown. inflorescences bear up to eight flowers. the fruits are ellipsoid, up to long. the specific epithet "" is from the latin meaning "soft-haired calyx". habitat is lowland mixed dipterocarp forest from sea-level to altitude. "m. pubicalyx" is endemic to borneo.