A habitat of Carex qingyuanensis B infructescence of C. qingyuanensis C infructescence of C. peliosanthifolia D inflorescence of C. qingyuanensis E inflorescence of C. peliosanthifolia F spikes of C. qingyuanensis G spike of C. peliosanthifolia H short beak of C. qingyuanensis I long beak of C. peliosanthifolia J immature nutlets + base thickened style of C. qingyuanensis K immature nutlets + unthickened style of C. peliosanthifolia.