Ngā Rauropi Whakaoranga

akakaikū, akakaikūkū, akakūkū, aka-kōpū-kererū (Best), hokokuku, pōhue (and variants), pōtaetae, pōānanga (and variants); puatautaua (and variants); upokonui-a-ura, puatororaro. All names used in Williams 1971. 

Clematis

The tough, pliant stems of a forest climbing-plant called aka kūkū used to make a cable for a stone anchor (Wairarapa Māori, in Best 1925)

Aka-kōpū-kererū is the small, green-flowered clematis (Best 1908)