genus Alstonia

Definitions of genus Alstonia
  1. noun
    genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia
    synonyms: Alstonia
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    type of:
    dicot genus, magnoliopsid genus
    genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
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