| 1 | Native | Asia-Temperate | China | China | Guangxi Zhuangzu Zizhiqu | s.w. | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Temperate | China | China | Yunnan Sheng | s. | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Bangladesh | | | Sidiyasa, K. 1997. Taxonomy, phylogeny, and wood anatomy of Alstonia (Apocynaceae). Blumea suppl. 11:176-179. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Bhutan | | | Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | India | | | Soerianegara, I. & R. H. M. J. Lemmens, eds. 1993. Timber trees: major commercial timbers. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 5(1):88-89. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Nepal | | | Hara, H. et al. 1978-1982. An enumeration of the flowering plants of Nepal. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Pakistan | | | Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Sri Lanka | | | Dassanayake, M. D. & F. R. Fosberg, eds. 1980-. A revised handbook to the flora of Ceylon. |
| 1 | Native | Asia-Tropical | Indo-China | Cambodia | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Tropical | Indo-China | Laos | | | Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana. |
| 1 | Native | Asia-Tropical | Indo-China | Myanmar | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Tropical | Indo-China | Thailand | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Tropical | Indo-China | Vietnam | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 1 | Native | Asia-Tropical | Malesia | Indonesia | | | Soerianegara, I. & R. H. M. J. Lemmens, eds. 1993. Timber trees: major commercial timbers. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 5(1):88-89. |
| 1 | Native | Asia-Tropical | Malesia | Malaysia | | | Soerianegara, I. & R. H. M. J. Lemmens, eds. 1993. Timber trees: major commercial timbers. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 5(1):88-89. |
| 1 | Native | Asia-Tropical | Malesia | Philippines | | | Soerianegara, I. & R. H. M. J. Lemmens, eds. 1993. Timber trees: major commercial timbers. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 5(1):88-89. |
| 1 | Native | Asia-Tropical | Papuasia | Papua New Guinea | | | Soerianegara, I. & R. H. M. J. Lemmens, eds. 1993. Timber trees: major commercial timbers. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 5(1):88-89. |
| 1 | Native | Asia-Tropical | Papuasia | Solomon Islands | | | Sidiyasa, K. 1997. Taxonomy, phylogeny, and wood anatomy of Alstonia (Apocynaceae). Blumea suppl. 11:176-179. |
| 1 | Native | Australasia | Australia | Australia | Queensland | | George, A. S., ed. 1980-. Flora of Australia. |
| 2 | Cultivated | | | | | also cult. elsewhere | |
| 2 | Cultivated | Africa | Northern Africa | Egypt | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |
| 2 | Cultivated | Asia-Temperate | China | China | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 2 | Cultivated | Asia-Tropical | Indian Subcontinent | India | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |
| 2 | Cultivated | Asia-Tropical | Indo-China | Vietnam | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |
| 2 | Cultivated | Asia-Tropical | Malesia | Indonesia | Jawa | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |