Petals lorate, to 2 mm, pubescent on parts exposed in bud.

带状的花瓣，2毫，中暴露部分短柔毛。

Branchlets pubescent to glabrescent with minute scurfy hairs intermixed with unguicular scales.

小枝具短柔毛到后脱落有微小的鳞屑毛与具爪鳞混生的。

Ovary of female flower 2(or 3)-locular, densely yellow-brown pubescent.

雌花的子房室2(3)，密被黄棕色短柔毛。

Young stems terete to frequently 4-angled or subalate, glabrous, puberulous, pubescent, or tomentose, often glabrescent.

嫩茎圆柱状到经常地四棱似翼的，无毛，被微柔毛，短柔毛，被绒毛的，通常后脱落。

Calyx cup-shaped, almost truncate, outside pulverulent pubescent.

花萼杯状，几乎截，外面粉状短柔毛。

Pro-,meso-and metapleuron of ventral surface and posterior margin of sides of abdominal segments with yellow pubescent maculae.

腹面的前、中、后胸侧板及腹部各节两侧后缘具黄色毛斑。