Korea Flora: Description: Deciduous shrub to 1.5m tall. Winter buds ovoid-acuminate, glabrous. Branches with solid white pith; branchlets reddish-brown with stiff and glandular hairs; two-year-old branches grayish-brown with longitudinally split bark.Leaves opposite, ovate, 3-10 × 3-6.5cm; apex acuminate, emarginate or obtuse; base cuneate, rounded or subcordate; adaxially densely yellow-hairy on veins, abaxially with stiff hairs on veins; margins entire (sucker leaves sometimes with 2-3 teeth); petioles 5-10mm long.Flowers axillary; peduncles 3-4mm long, glandular-hairy. Bracts ovate or oblong, 10-20mm long, apex acuminate; bracteoles with brown hairs, connate, completely enclosing calyx tube. Corolla pale yellow, surrounded by glandular hairs; upper lip shallowly divided, apex rounded; lower lip linear; tube 5mm long. Stamens and style pubescent.Fruit ovaries fused, globose, densely pubescent, maturing red.Phenology:

Flowering May
Fruiting July-August.
Distribution: Northeastern China; North and Pyeongannamdo-do, North and South Hamgyeong-do, Gangwon-do (mainly Baekdudaegan), Mt. Sobaek in Chungcheongbukdo-do.
Taxonomic notes: Sometimes it is recognized as distinct species from L. ferdinandi Franch. of inland China based on leaf and bract morphology