| Name | Alstonia angustifolia var. annamensis Monachino |
| Authorship | Monachino |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Alstonia angustifolia Wallich |
| Citation | 1949 Pacific Sci. 3: 160 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Alstonia angustifolia var. annamensis Monachino |
| Identification made in | [no date] (1) |
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