Clematis tangutica

Clematis tangutica, the golden clematis, is a species of flowering plant in the family Ranunculaceae. It is found from Central Asia through to most of China, and it has been introduced to western Canada, Czechoslovakia, Switzerland, and the South Island of New Zealand. Its cultivars 'Bill MacKenzie' and 'Lambton Park', both members of the Tangutica Group, have gained the Royal Horticultural Society's Award of Garden Merit.
Subtaxa.
The following subtaxa are accepted: