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FOC | Family List | FOC Vol. 4 | Betulaceae | Betula

12a. Betula delavayi var. delavayi

高山桦 (原变种) gao shan hua (yuan bian zhong)

Betula chinensis Maximowicz var. delavayi (Franchet) C. K. Schneider; B. delavayi var. forrestii W. W. Smith; B. forrestii (W. W. Smith) Handel-Mazzetti.

Leaves 3-7 × 2-4 cm; lateral veins 10-14 on each side of midvein. Female inflorescence oblong-cylindric, 1.5-2.5 cm × 7-10 mm; bracts ciliate.

* Thickets; 2400-4000 m. ?Gansu, W Sichuan, SE Xizang (Zayü Xian), NW Yunnan

Further studies of material named Betula forrestii are required to better understand its placement.


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