A revision of Eucalyptus ser. Cornutae subser. Conjunctae (Myrtaceae) from the south coast of Western Australia, including the description of four new taxa and comments on the hybrid origin of E. bennettiae
NICOLLE, D., FRENCH, M.E. AND MCQUOID, N.K.
Eight terminal taxa are recognised in Eucalyptus L’Hér. ser. Cornutae (Benth.) Brooker subser. Conjunctae Brooker. Two new species are described, viz., E. sinuosa D.Nicolle, M.E.French & McQuoid, known from only a few populations in the Corackerup Creek area and in Fitzgerald River National Park, and E. retusa D.Nicolle, M.E.French & McQuoid, known from one or possibly two populations from near Bremer Bay. New subspecies described are E. lehmannii (Schauer) Benth. subsp. parallela D.Nicolle & M.E.French, which is the widespread variant of the species, occurring from the Stirling Range area eastwards to Cape Arid, and E. conferruminata D.Carr & S.Carr subsp. recherche D.Nicolle & M.E.French, the eastern variant of that species apparently endemic to the Recherche Archipelago and the common variant in cultivation across southern Australia. The distribution of E. arborella Brooker & Hopper is modified with the discovery of a new population and the exclusion of another population included in this species by others. The hybrid status of E. bennettiae D.Carr & S.Carr is discussed. A key to E. subser. Conjunctae is provided.
