Dipteracanthus chichesterensis (Acanthaceae: Ruellieae), a new geographically and edaphically restricted species from the Pilbara bioregion of Western Australia
TRUDGEN, MALCOLM E. AND DE KOCK, P.-L.
Dipteracanthus chichesterensis Trudgen & de Kock is described as a new species of Acanthaceae (tribe Ruellieae Dumort.) restricted to the Chichester Plateau in the Pilbara bioregion of Western Australia. The new species is known from five localities and is considered poorly known and of conservation significance. It is most closely related to D. australasicus F.Muell., differing in stem and leaf indumentum, pollen ornamentation and seed characteristics. A distribution map, photographs and a key to Dipteracanthus Nees taxa currently recognised in Western Australia are provided.
