异名：Aconogonon molle (D. Don) H. Hara var. frondosum (Meisn.) H. Hara (synonym)、Aconogonon molle (D. Don) H. Hara var. paniculatum (Blume) Yonek. et H. Ohashi (synonym)、Aconogonon paniculatum (Blume) Haraldson (synonym)、Polygonum frondosum Meissn. (synonym)、Polygonum paniculatum Blume (synonym)、Polygonum paniculatum Blume var. frondosum (Meisn.) Steward (synonym)

Polygonum molle D. Don var. frondosum (Meisn.) A. J. Li, 西藏植物志l: 622. 1983. ——P. frondosum Meisn. in DC. Prodr. 14 (1): 137. 1856.——P. paniculatum Blume var. frondosum (Meisn.) Stew. in Contr. Gray Herb. 88: 106. 1930. ——Acongonum molle (D. Don) Hara var. frondosum Hara, Fl. E. Him. 68. 1966. ——A. paniculatum (Blume) Harald. in Symb. Bot. Upsal. 22 (2): 69. 1978.

本变种与原变种的区别是茎、叶皆无毛。

产广西、贵州、云南、西藏。生山坡灌丛、山坡草地，海拔1200-2500米。印度西北部也有。