|Clethra varvinervis is
a deciduous small- or tree with dark reddish-brown barks, 8-10m in
height, growing on hills, mountain ridges, or dry deciduous forests.
Leaves, gathering together on branch tips, are alternate, 6-15cm
long, 2-7cm wide, in the shape of an obovate-like long oblong, with
tips shortly pointed, bases cuneate, sharply pointed serrations on
margins, also upper surfaces with no hairs, lower surfaces light
green, coarse hairs on midribs, and vellus hairs at bases of veins.
Branch tips emerge some number of 10-20cm-long racemes in which set
many white flowers. Bloom time: June-August.