A new species, Strobilanthes gigantea (Acanthaceae), from India

A new species, Strobilanthes gigantea, is described here from the state of Arunachal Pradesh, in the Indian Himalayan Region (IHR). The new species is immediately recognised by being very large – sometimes a tree, exhibiting densely imbricate bracts on uninterrupted inflorescence, slightly curved corolla tube with revolute lobes with emarginate apex, and presence of wings on the staminal curtain. A detailed description and photographs are provided to assist in its identification.