The leaves of Putao in Hainan are leathery, broad oval or narrow oval, about 6 to 12 cm long and about 3.5 to 7 cm wide. The apex of the leaves is round and blunt, with a short tip, and the base is wide wedge-shaped, almost round.
The leaves are thin leathery, oval or oblong, 10 to 22 cm long and 5 to 8 cm wide. The apex of the leaves is blunt or slightly sharp, and the base is narrow, round or microcardiform.
The panicle of Putao in Hainan is axillary or born on the flower branch. Occasionally, there are terminal flowers, which can reach 11cm. The flowers have short pedicels, white flowers, 3 to 5 clusters. The calyx tube is conical and grows about 4mm. The petals are 4, oval and grows about 2.5mm.
The inflorescence is terminal or axillary, 5 to 6 cm long, with several small flowers, white flowers and about 5 mm long pedicels.
