πολύγονον

τό
A. , π. ἄρρεν knot-grass, Ploygonum aviculare, Dsc. 4.4; in Ep. form πουλύ‐, Nic. Al. 264.
2. π. θῆλυ mare's tail, Hippuris vulgaris, Dsc. 4.5.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project