- Scientific Name: Betula ermanii Cham.
- Ref: Linnaea. 6:537. 1831
- English Common Name: Erman’s birch
- Chinese Common Name: 岳桦 yuèhuà
- Japanese Common Name: ダケカンバ [岳樺/嶽樺] dakekanba, ソウシカンバ [草紙樺] sōshikanba
- Family: Betulaceae
- Genus: Betula
- Distribution: Forming pure forest stands, but also in mixed forests of coniferous and broad-leaved trees; 1000-1700 m. Heilongjiang, Jilin, Liaoning, Nei Mongol [Japan, N Korea, Russia (Kamchatka)]
- Photo: Mt. Changbai, Jilin
Trees to 20 m tall; bark grayish white, exfoliating in thin sheets. Branches red-brown, glabrous; branchlets brown-green, densely villous, resinous glandular; bud scales densely silky villous. Petiole 1-2.4 cm; leaf blade ovate, broadly ovate, or triangular-ovate, 2-7 × 1.2-5 cm, abaxially resinous punctate and villous, adaxially sparsely villous, base subrounded, truncate, broadly cuneate, or subcordate, margin irregularly and doubly mucronate serrate, apex acute, acuminate, or caudate-acuminate; lateral veins 8-12 on each side of midvein. Female inflorescence ovoid or oblong, 1.5-2.7 × 0.8-1.5 cm; peduncle 3-6 mm or obscure; bracts 5-8 mm, 3-lobed, lobes oblanceolate, lateral lobes spreading or erect, slightly shorter than middle lobe. Nutlet obovate or ovate-elliptic, 2.5-3 × 1.8-2 mm, with membranous wings ca. 1/2 as wide as nutlet. Fl. Jun-Jul, fr. Jul-Aug. 2n = 56. (Flora of China)
