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.

丛生，多分枝，60-150厘高，直径约1厘，向上地具小刚毛，具平毛刺，紧密在下部，稀在上半部分。