<i><a href="https://en.wikipedia.org/wiki/Alstonia_scholaris" class="extiw" title="w:Alstonia scholaris">Alstonia scholaris</a></i>, commonly called Blackboard tree, Indian devil tree, Ditabark, Milkwood pine, White cheesewood and Pulai, is an evergreen, tropical tree in (<a href="https://en.wikipedia.org/wiki/Apocynaceae" class="extiw" title="w:Apocynaceae">Apocynaceae</a> family, native to the <a href="https://en.wikipedia.org/wiki/Indian_subcontinent" class="extiw" title="w:Indian subcontinent">Indian subcontinent</a> and <a href="https://en.wikipedia.org/wiki/Indomalaya" class="extiw" title="w:Indomalaya">Indomalaya</a>, <a href="https://en.wikipedia.org/wiki/Malesia" class="extiw" title="w:Malesia">Malesia</a> and <a href="https://en.wikipedia.org/wiki/Australasia" class="extiw" title="w:Australasia">Australasia</a>.
<p>It is a glabrous tree and grows up to 40 m tall, mature bark is grayish and young branches are copiously marked with <a href="https://en.wikipedia.org/wiki/lenticels" class="extiw" title="w:lenticels">lenticels</a>.
</p><p>The upperside of the leaves are glossy, while the underside is greyish. Leaves occur in whorls of 3-10; but here it is 11. :)
</p><p>Flowers bloom in the month October. The flowers are very fragrant similar to the flower of <i><a href="//commons.wikimedia.org/wiki/Cestrum_nocturnum" title="Cestrum nocturnum">Cestrum nocturnum</a></i>.
</p><p>Seeds are oblong, with ciliated margins, and ends with tufts of hairs 1.5–2 cm. The bark is almost odourless and very bitter, with abundant bitter and milky sap.
</p>
Taken at <a href="https://en.wikipedia.org/wiki/Kadavoor" class="extiw" title="w:Kadavoor">Kadavoor</a>, <a href="https://en.wikipedia.org/wiki/Kerala" class="extiw" title="w:Kerala">Kerala</a>, <a href="https://en.wikipedia.org/wiki/India" class="extiw" title="w:India">India</a>.
<a href="//commons.wikimedia.org/wiki/User:Jkadavoor" title="User:Jkadavoor">Jeevan Jose, Kerala, India</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>