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Definition of Alstonia
1. Noun. Genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia.
Exact synonyms: Genus Alstonia
Generic synonyms: Dicot Genus, Magnoliopsid Genus
Group relationships: Apocynaceae, Dogbane Family, Family Apocynaceae
Member holonyms: Alstonia Scholaris, Devil Tree, Dita, Dita Bark
Generic synonyms: Dicot Genus, Magnoliopsid Genus
Group relationships: Apocynaceae, Dogbane Family, Family Apocynaceae
Member holonyms: Alstonia Scholaris, Devil Tree, Dita, Dita Bark