An overview of the thelymitra nuda (Orchidaceae) complex in Australia including the description of six new species

Abstract

The Thelymitra nuda J.R.Forst. & G.Forst, complex is defined as a group and an overview of the Australian members is presented. Six new species, T. alcockiae D.L Jones ex Jeanes, T. alpina Jeanes, T. glaucophylla R.J. Bates ex Jeanes, T. paludosa Jeanes, T. petrophila Jeanes and T. queenslandica Jeanes, are described and illustrated. The key diagnostic characters are discussed where relevant. Information on distribution, habitat, flowering time, pollination biology and conservation status is given for all taxa. A dichotomous key is provided.