Parsonsia curvisepala is a woody vine of the family Apocynaceae,[1][3] found in Malaysia, New Guinea, the Philippines, the Solomon Islands, and Sulawesi.

[4] The branchlets are covered in short to long brown densely matted woolly hairs.

The corolla may be covered in sparse or dense brown hairs, or alternatively it may be smooth outside and hairy on the inside of the upper tube.

The disc consists of 5 separate lobes, which are elliptic, and acute to notched at the tips.

The fruit is linear and of highly variable dimensions being from 2.2 to 39 cm long and 3.2–5.3 mm wide.

Malaysia (Malay Peninsula), Sulawesi, the Philippines, New Guinea, and the Solomon Islands.