What is "townsonia"

Townsonia is a genus of flowering plants from the orchid family, Orchidaceae. There are two known species, one from New Zealand, the other from Australia:

• Townsonia deflexa Cheeseman - New Zealand (North Island, South Island, Chatham Island, and the Antipodes Islands)
• Townsonia viridis (Hook.f.) Schltr. - Tasmania