The mangrove Excoecaria agallocha (family Euphorbiaceae) of tropical Asia and Australasia, which has an irritating milky sap; also called river poison-tree.
Origin
Late 19th century; earliest use found in Proceedings of the Linnean Society of New South Wales.
Definition of milky mangrove in US English:
milky mangrove
noun
The mangrove Excoecaria agallocha (family Euphorbiaceae) of tropical Asia and Australasia, which has an irritating milky sap; also called river poison-tree.
Origin
Late 19th century; earliest use found in Proceedings of the Linnean Society of New South Wales.