Alstonia angustifolia is a tree of the dogbane family native to Borneo, Peninsular Malaysia and Sumatra. It is a large tropical forest tree rather than a common garden or houseplant, so it needs space and a warm, humid climate.
Family
Apocynaceae (Dogbane family)
Grows as
Tree
Light
Full sun, Part shade
Water
Water regularly while establishing, then allow the top of the soil to dry between waterings.
Soil
Well-drained, moist loam or forest-type soil.
Temperature
22–32 °C; protect below 10 °C
How easy
Hard
Native range
W. Malesia
Climate
wet tropical
About
Alstonia angustifolia is a species of flowering plant in the family Apocynaceae. It is a tree native to Borneo, Peninsular Malaysia, and Sumatra in Brunei, Indonesia, and Malaysia. It can be used to relieve headache.
[Contains information from Leaf Area Index (LAI) and Heritage Trees from data.gov.sg (National Parks Board), made available under the terms of the Singapore Open Data Licence version 1.0]
Text excerpted from the Wikipedia article Alstonia angustifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.