Notes on the Hoya (Apocynaceae, Asclepiadoideae) from Pergau Forest Reserve, Kelantan, Peninsular Malaysia

Abstract

Abstract A total of 18 species of Hoya (Apocynaceae, Asclepiadoideae) with two variants were recorded from Pergau Forest Reserve, Kelantan, Peninsular Malaysia. This represents more than half of species of Hoya reported for Peninsular Malaysia. Three species; Hoya coriacea, H. coronaria and H. erythrostemma are common and widely distributed. Two species are considered rare namely H. ignorata and H. forbesii based on lowest count. Suda and Renyuk River recorded the highest species number with ten species each. Suda and Long River is the most similar with 60% species similarity. Ability to produce flower and fruits by nine species were observed here indicating a healthy population.