Found in Leith River Walkway, Dunedin. Saturday 8th December, 2018 in the afternoon.
Hi Polly - this is not an orchid but is the introduced Orobanche minor - see http://www.nzpcn.org.nz/flora_details.aspx?ID=3226
Thanks for the swift reply with identification and link to same.
(JPG format, max 500kB)