- Scientific Name: Alnus mandshurica (Callier) Hand.-Mazz.
- Ref: Oesterr. Bot. Ztschr. 81:306. 1932
- Synonym: Alnus fruticosa var. mandshurica Callier ex C.K.Schneid.
- English Common Name: Manchurian alnus
- Chinese Common Name: 东北桤木 dōngběi qīmù, 东北赤杨 dōngběi chìyáng
- Japanese Common Name: マンシュウハンノキ [満洲榛の木] manshūhannoki
- Family: Betulaceae
- Genus: Alnus
- Distribution: Temperate forests, streamsides; 200-1900 m. Heilongjiang, Jilin, Liaoning, Nei Mongol [N Korea, Russia (Far East)]
- Photo: 07/26/2008, Mt. Changbai, Jilin
Shrubs or trees to 10 m tall; bark dark gray, smooth. Branchlets gray-brown, glabrous. Buds sessile, with 3-6 scales. Petiole robust, 0.5-2 cm, glabrous or sparsely pubescent, sometimes resinous glandular; leaf blade broadly ovate, ovate, elliptic, or broadly elliptic, 4-10 × 2.5-8 cm, both surfaces glabrous except bearded in axils of lateral veins abaxially, base rounded or subcordate, rarely broadly cuneate or unequal, margin densely minutely doubly or simply serrate, apex acute; lateral veins 7-13 on each side of midvein. Female inflorescences 3-6 in a raceme, oblong or globose, 1-2 cm; peduncles pendulous, 0.5-2(-3) cm, slender, glabrous or sparsely pubescent; bracts 3-4 mm, woody, base cuneate, apex rounded, 5-lobed. Nutlet ca. 2 mm, with membranous wings ca. as wide as nutlet. Fl. May-Jul, fr. Jul-Aug. (Flora of China)