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

带状瓣，在2毫米，在芽中暴露部分短柔。

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

小枝具短柔到后脱落有微小与具爪混生。

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

雌房室2(或3)，密被黄棕色短柔。

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形或略似翼，无，被微柔，短柔，或被绒，通常后脱落。

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

萼杯状，几乎截形，外面粉状短柔。

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

腹面前、中、后胸侧板及腹部各节两侧后缘具黄色斑。