朝阳丁香 chao yang ding xiang

Syringa dilatata Nakai, Bot. Mag. (Tokyo) 32: 128. 1918; S. dilatata var. alba W. Wang & Skvortsov; S. dilatata f. alba (W. Wang & Skvortsov) S. D. Zhao; S. dilatata var. longituba W. Wang & Skvortsov; S. dilatata var. pubescens S. D. Zhao; S. dilatata var. rubra W. Wang & Skvortsov; S. dilatata var. violacea W. Wang & Skvortsov; S. oblata var. dilatata (Nakai) Rehder.

Shrubs 1-3 m, many branched. Leaf blade ovate to ovate-orbicular, 3-10 × 2.5-8 cm, base truncate to broadly cuneate, or rarely subcordate, apex short to long acuminate. Panicles lateral, lax, 5-10 × ca. 8 cm. Calyx ca. 2 mm. Corolla lilac or red-lilac to violet-lilac, sometimes white; tube 1-1.7(-2.2) cm; lobes oblong-elliptic, 5-8(-10) mm. Anthers inserted at middle of corolla tube. Capsule 7-12(-15) mm. Fl. May-Jun, fr. Sep.

Gravely mountains; 100-700 m. Jilin (Jian Xian), Liaoning [Korea].

Plants with white flowers have been recognized as f. alba, whereas those with red-lilac or violet-lilac flowers, which are cultivated in northern China, may be called f. oblata.