genus Alstonia
genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia • Syn: Alstonia • Hypernyms: dicot genus, magnoliopsid genus • Member Holonyms: Apocynaceae, family Apocynaceae, dogbane family • Member Meronyms: dita, dita bark, devil tree, Alstonia scholaris
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