异名：Fagopyrum grossii (H. Lév.) H. Gross (synonym)、Polygonum grossii H. Lév. (synonym)、Polygonum leptopodum Diels var. grossii (H. Lév.) Sam. (synonym)

Fagopyrum leptopodum (Diels) Hedb. var. grossii (Levl.) Lauener et Ferguson in Not. Bot. Gard. Edinb. 40: 195. 1982.——Polygonum grossii Levl. in Fedde, Repert. Sp. Nov. 11: 297. 1912.——Fagopyrum grossii (Levl.) H. Gross in Bull. Geogr. Bot. 23: 26. 1913.——Polygonum leptopodum Diels var. grossii (Levl.) Sam. in Hand.-Mazz. Symb. Sin. 7: 188. 1929.——P. leptopodum auct. non Diels; Stew. in Contr. Gray Herb. 88: 115. 1930.

与原变种的区别是本变种的总状花序极稀疏。

产云南、四川。生山谷、水边、路旁，海拔1000-3000米。模式标本采自云南东川。