Plants Related to Meconopsis psilonomma (Papaveraceae) in Northern Sichuan and Southeastern Qinghai, China

Four new species of Meconopsis—M. huanglongensis, M. inaperta, M. hispida, and M. trichogyna—are described and illustrated, M. barbiseta is redescribed, and a new series of Meconopsis, series Barbisetae, is proposed.