北方枸杞 bei fang gou qi

Lycium potaninii Pojarkova, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 13: 265. 1950.

Leaves lanceolate or linear-lanceolate. Corolla lobes sparsely ciliate, with indistinct auriculate basal lobes. Stamens slightly longer than corolla. Berry oblong, 2-2.5 × 1 cm. Fl. May-Sep, fr. Aug-Oct.

Sunny slopes, by ditches, occasionally cultivated. W Gansu, N Hebei, Nei Mongol, Ningxia, N Shaanxi, N Shanxi, E Qinghai, Xinjiang [Japan including Ryukyu Islands, S Mongolia, Thailand; SW Asia]

Lycium flexicaule Pojarkova, described from Kyrgyzstan, was said to differ from var. potaninii in having glabrescent branches, broader calyx lobes, and longer corolla tube. If it is actually different, it may be expected in China.