Yakirra (Paniceae, Poaceae), a new genus for Australia.

Abstract

Characteristics of gross morphology, epidermal features of the palea of the fertile floret, and leaf anatomy are used to establish a new Australian endemic genus, Yakirra. Its component of five species consists of three transferred from Panicum L. (Yakirra australiensis, Y. pauciflora, Y. majuscula), one from Ichnanthus P. Beauv. '(Y. muelleri) and one new species (Y. nulla Lazarides & R. Webster). A systematic comparison with closely related genera shows the diagnostic features of Yakirra. A morphological key and diagnoses of the species of Yakirra are provided.