20b. Betula ermanii var. macrostrobila Liou, Gen. Chin. Woody Pl. 200. 1955.
帽儿山岳桦 mao er shan yue hua
Leaves caudate-acuminate at apex. Female inflorescence ovoid; peduncle obscure; lateral lobes of bracts erect, apex acute, without a lobule at base.
* Mixed forests. Heilongjiang (Mao’ershan, Shangzhi Xian)
