Fig. 1. Dendrogram of P. obconica individuals based on ISSR markers generated using the Nei and Li (1979) similarity coefficient and the UPGMA clustering method. Populations D1–D3 sampled from Mt Dalaoling area, Hubei, central China; W from Mt Wawushan area, Sichuan, south‐west China; G, plants grown in a glasshouse at the Wuhan Botanical Garden, Hubei.