Alstonia angustifolia is a species of plant in the family Apocynaceae. It is found in Indonesia, Malaysia, the Philippines, and Vietnam. It can be used to relieve headache.

References

  1. ^ Sidiyasa, K. (1998). "Alstonia angustifolia". IUCN Red List of Threatened Species. 1998: e.T33175A9756811. doi:10.2305/IUCN.UK.1998.RLTS.T33175A9756811.en. Retrieved 15 November 2021.


Allikas: https://en.wikipedia.org/wiki/Alstonia_angustifolia
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