a deciduous shrub of 1-5m with dark gray barks, grows along mountain
torrents. Leaves are alternate; blades are 7-13cm long, 1.5-3cm
wide, in a long-oblong shape, with tips pointed and margins with
fine serrations except for bases. Veins are distinct on surfaces,
arranged at nearly even intervals, and the backsides are sericeous
throughout. Flowers bloom before leaves develop; inflorescences are
long-oblong, with no peduncles. Bloom time: March.