8d. Syringa pubescens subsp. microphylla (Diels) M. C. Chang & X. L. Chen, Investig. Stud. Nat. 10: 34. 1990.
小叶巧玲花 xiao ye qiao ling hua
Syringa microphylla Diels, Bot. Jahrb. Syst. 29: 531. 1900; S. giraldiana C. K. Schneider; S. microphylla var. giraldiana (C. K. Schneider) S. Z. Qu & X. L. Chen; S. pubescens var. tibetica Batalin; S. schneideri Lingelsheim; S. trichophylla T. Tang.
Branchlets and inflorescence rachis subterete. Calyx purple, mostly puberulent, sometimes densely pubescent or subglabrous. Anthers inserted on corolla tube to 3 mm from mouth. Fl. May-Jun (often with two blooming stages annually in cultivation, spring and Aug-Sep), fr. Jul-Oct. 2n = 46*, 48.
* Woods in valleys, near rivers, grasslands at mountain tops; 500-3400 m. Gansu, SW Hebei, W Henan, W Hubei, S Ningxia, E Qinghai, Shaanxi, Shanxi, NE Sichuan
Three varieties have been recognized in subsp. microphylla: var. microphylla (leaves glabrous adaxially to pubescent or subglabrous except for midrib, sometimes pilose toward base abaxially; corolla purplish red; anthers purple to purple black) is distributed throughout the subspecies range; var. potaninii (C. K. Schneider) P. S. Green & M. C. Chang (leaves pilose adaxially, pilose to villous abaxially especially on midrib; corolla white tinged with pink) is restricted to Gansu; and var. flavoanthera (X. L. Chen) M. C. Chang (leaves glabrous adaxially to pubescent or subglabrous except for midrib, sometimes pilose toward base abaxially; flowers white; anthers yellow) is restricted to Shaanxi (Foping Xian).