Stems caespitose, simple or many branched, 60-150 cm tall, ca. 1 cm in diam., antrorsely setulose, armed with spreading stinging hairs, dense in lower parts, sparser in upper parts.
I often by the side of the soil wall of the high gravamen, the side of agrestal HUA TAI2, squat down under own body, make body and spend a pedestal similar and high, settle to scrutinize.