The Species of Polyalthia in Berau Regency, East Kalimantan
Abstract
The study of the genus Polyalthia Blurne (Annonaceae) in Berau Regency is presented. The genus comprises of 15 species (Polyalthia berauensis, Polyalthia cauliflora, Polyalthia dictyoneura, Polyalthia glauca, polyalthia igniflora, Polyalthia jenkensii, Polyalthia lateriflora, Polyalthia microtus, Polyalthia oblonga, Polyalthia obliqua, Polyalthia rumphii, Polyalthia sclerophylla, Polyalthia sumatrana, Polyalthia tipuliflora, and Polyalthia sp. A). Polyalthia berauensis is proposed as a new species.