Apocynaceae
Alstonia parvifolia Merr. in Govt. Lab. Publ. (Philip.) 35 (1906) 59, Philip. Journ. Sci. 1 (1906) Suppl. 116.
Location: Bataan
Collector: F.B. 2209 Meyer, 2111 Borden, Elmer 6876, Whitford 1164.
Habitat: On rocky forested slopes and exposed ridges on Lamao river, Mt. Mariveles (800-1000 m.)
Description: Flower