Rhizoma Dioscoreae-Dioscorea Opposita Thunb Stock Photo

Twining the grass vine. Tubers are long cylindrical, vertical growth; stems usually purplish red, dextral, glabrous. Single leaf, intergrowing in the lower part of the stem, opposite to the middle part of the middle, rarely 3 impellers; leaf blade variation is large, ooform triangle to broad oval or halberd shaped; the flowering period is 6-9 months, and the fruit period is 7-11 months.