| 单词 | genus Alstonia |
| 释义 | genus Alstonia (extremely rare) n WORD FAMILY genus Alstonia n genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia Syn|Hyper Alstonia 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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