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Tropicals > Alstonia > Alstonia scholaris > Alstonia scholaris

Alstonia scholaris


Blackboard tree, Ditabark, Milkwood Pine, Pulai




Family
Apocynaceae
Genus
Alstonia
Species
scholaris
Category
Tropicals
Type
Tree (evergreen)
Height
40 m
Photographs
Description and Growing Information
Flowering Period
October
Habitat
Indian subcontinent and Southeast Asia
Bark/Stem Description
The bark is greyish, almost odourless and very bitter, with abundant bitter and milky sap.
Leaf Description
The upperside of the leaves are glossy, while the underside is greyish. Leaves occur in whorls of 3-10; petioles are 1–3 cm; the leathery leaves are narrowly obovate to very narrowly spathulate, base cuneate, with the apex usually rounded.
Flower Description
The small flowers of Alstonia blooms in the month October. The flowers are very fragrant similar to the flower of Cestrum nocturnum.
Fruit Description
Seeds of A. scholaris are oblong, with ciliated margins, and ends with tufts of hairs 1.5–2 cm.
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