Fagopyrum leptopodum (Diels) Hedb. var. grossii (Levl.) Lauener et Ferguson (Polygonaceae)
6b．疏穗小野荞麦
名称文献：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.
形态特征：与原变种的区别是本变种的总状花序极稀疏。
产地分布：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。