Syringa pinetorum W. W. Sm.

Shrubs or small trees ca. 2 m. Branchlets terete, usually densely pubescent. Petiole 3-7 mm; leaf blade ovate, broadly elliptic to suborbicular or obovate, 2-9 × 2-5 cm, leathery, adaxially rugose and pubescent, abaxially densely villous, base cuneate to subrounded, apex acute to obtuse; midrib and veins conspicuously impressed. Panicles lateral, rarely terminal, 6-14 cm; rachis pubescent. Flowers subsessile. Calyx purplish red, ca. 2 mm, puberulent. Corolla purplish red, white when expanded, 0.9-1.5 cm; tube slender, subcylindric, 6-11 mm; lobes ovate to oblong-elliptic, spreading. Anthers yellow, inserted near or slightly below mouth of corolla tube. Capsule oblong-lanceolate, 1-2 cm, nearly smooth. Fl. Jul, fr. Jul-Nov.

Shrubs 1-3 m. Branchlets terete, villous to puberulent, gradually glabrescent. Petiole 2-7 mm; leaf blade ovate, ovate- lanceolate, to lanceolate, 1.5-2.5(-4) × 0.8-2(-3) cm, papery, sparsely pubescent or subglabrous adaxially, pilose along veins abaxially or glabrescent, base cuneate to broadly cuneate, apex acute to acuminate. Panicles erect, lateral, loose, 4-11 × 3-6(-8) cm; rachis, pedicel, and calyx usually puberulent. Pedicel 0-3 mm. Calyx 1.5-3 mm. Corolla lilac or pale red, 1-1.5(-2) cm; tube cylindric, 6-10(-15) mm; lobes ovate to elliptic, spreading. Anthers yellow, inserted on corolla tube to 3 mm from mouth. Capsule long elliptic to lanceolate, 0.8-1.5 cm, nearly smooth. Fl. May-Jul, fr. Jul-Sep.

Shrubs or small trees 3-5 m, young stems pubescent. Petiole 2-3 mm; leaf blade suborbicular, 1-2 × 1-2 cm, adaxially glabrous, abaxially paler, glabrous or puberulent, base rounded to truncate, very short attenuate onto petiole, apex rounded or obtuse, sometimes very short apiculate-acuminate; primary veins 4 or 5 on each side of midrib, faintly reticulate below. Panicles erect, lateral, loose, 6-10 × 3-7 cm; rachis pubescent. Pedicel 1-3 mm. Calyx ca. 2 mm, almost truncate, teeth minute. Corolla 1.5-1.7 cm; tube cylindric, 1-1.2 cm; lobes ovate, obtuse, 4-5 mm. Anthers inserted slightly above middle of corolla tube. Capsule long elliptic, 1-1.4 cm, nearly smooth. Fl. May-Jun, fr. Sep.

W Sichuan, SE Xizang, N Yunnan

W Sichuan, SE Xizang, NW Yunnan

SE Xizang, NW Yunnan.

* Thickets on slopes or along roadsides; 1900-2600 m.

* Valleys, under pinewoods; 2200-3600 m.

* Arid scrub on slopes, under woods; 2400-3000 m.

Ligustrum mairei H. Léveillé, Cat. Pl. Yun-Nan 181. 1916; Syringa chuanxiensis S. Z. Qa & X. L. Chen; S. rugulosa McKelvey.