– pali-mari, dita bark, bitter bark, milkwood, milky bean, milky pine, white cheesewood, scholar tree, blackboard tree - E + S + SE Asia, Papuasia, N Australia Alstonia sebusii (Van Heurck & Müll.Arg.) Monach. - Yunnan, Bhutan, Assam, N Myanmar Alstonia spatulata Blume – hard milkwood, Siamese balsa - SE Asia, New Guinea Alstonia spectabilis R.Br. – poele bark, jackapple, leatherjacket, milky yellowwood - SE Asia, Papuasia, N Australia Alstonia sphaerocapitata Boiteau - New Caledonia Alstonia venenata R.Br. - S India Alstonia vieillardii Van Heurck & Müll.Arg. - New Caledonia Alstonia vietnamensis D.J.Middleton - Vietnam Alstonia yunnanensis Diels - Yunnan, Guizhou, Guangxi Gallery Notes References Kade Sidiyasa, A., 3, 1992. A monograph of Alstonia (Apocynaceae). Apocynaceae genera Taxa named by Robert Brown (botanist, born 1773)