Discription of Arisaema (Araceae) found in Bhutan and new additions to the Flora of Bhutan

Abstract

The seven sections of the genus Arisaema found in Bhutan are described based on the morphological evidences of 16 species of Arisaema known from the Bhutan Himalaya: sect. Anomala Gusman & L. Gusman, sect. Arisaema, sect. Dochafa (Schott) H. Hara, sect. Nepenthoidea (Engler) H. Hara, sect. Sinarisaema Nakai and sect. Tenuipistillata Engler, sect. Tortuosa (Engl.) Nakai. of the seven recognised sections, sect. Arisaema is the most diverse section with eight species recorded from Bhutan. In this paper Arisaema petiolulatum Hook.f. and Arisaema anatinum Brugg. are documented as new records for Bhutan.