A new series, Rigentes, of Eucalyptus (Myrtaceae) comprising three new species endemic to Western Australia
1989
Brooker, M.I.H. (Commonwealth Scientific and Industrial Research Organization, Canberra (Australia). Div. of Plant Industry) | Hopper, S.D. (Western Australian Dept. of Conservation and Land Management, Wanneroo. Wildlife Research Centre)
A new taxonomic series, Rigentes, endemic to Western Australia is described. It comprises Eucalyptus rigens from north-west, north and north-east of Esperance, E. litorea from near Israelite Bay, both occurring around salt lakes and E. famelica from east of Hopetown, a species of subcoastal swamps. The series belongs in the informal Eucalyptus sect. Dumaria of Pryor and Johnson and is characterised by brown, somewhat flat to pyramidal seed, with the ventral side ribbed and dorsal side shallowly pitted.
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