Apocynaceae Juss.
Alstonia brassii Monach. x Alstonia spectabilis R.Br. , legitimate, hybrid formula parents known
Markgraf, F. (1975), Florae Malesianae Praecursores LIV. Apocynaceae III. Blumea 22(1): 29 [primary reference]
Sidiyasa, K. (1998), Taxonomy, phylogeny, and wood anatomy of Alstonia (Apocynaceae). Blumea Supplementary Series 11: 149 [secondary reference]
  • Lectotype: van Royen 5333 (lecto L, designated here; isolecto BO, K, KEP), Indonesia, Irian Jaya, Waigeo Island, SW of Kabare, 27 Jan. 1955, gl.
Sidiyasa, K. (1998), Taxonomy, phylogeny, and wood anatomy of Alstonia (Apocynaceae). Blumea Supplementary Series 11: 149 [taxonomic synonym]
taxonomic synonym of: Alstonia macrophylla Wall. ex G.Don legitimate