orchis
Concise Oxford English Dictionary © 2008 Oxford University Press:
orchis /ˈɔːkɪs/
▶noun an orchid of north temperate regions, with a tuberous root and a spike of typically purple or pinkish flowers. [Orchis and other genera: many species.]
– origin mod. L., based on Gk orkhis, lit. ‘testicle’ (with ref. to the shape of its tuber).
'orchis' also found in these Oxford entries:

