Taxonomy and distribution of Andrographis longipedunculata (Acanthaceae)

Abstract

Andrographis longipedunculata (Sreem.) L.H. Cramer (Acanthaceae), a lesser known endemic species of India is reported here for the first time from Myanmar and twelve more states of India. Also, illustrations, colour photographs, Scanning Electron Micrographs of pollen grains and seeds and a comparative table showing differences between its allied species, A. echioides are provided to facilitate accurate identification.