Fagopyrum Miller

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 81

5. Fagopyrum Miller 1

Erect annuals with hollow stems. Leaves triangular-sagittate, cordate. Ochreae short, truncate, entire. Flowers heterostylous, andromonoecious, in narrow, terminal and axillary, raceme-like panicles; pedicels equalling the perianth, articulated above the middle. Perianth campanulate, with 5 segments, not accrescent. Stamens 8, alternating with yellow nectaries on the disc. Styles 3, long and slender; stigmas capitate, small. Nut triquetrous, greatly exceeding the perianth.

Perianth 3-4 mm; nut with smooth faces and angles 1. esculentum Perianth 2 mm; nut with rugose faces and sinuate-dentate angles

2. tataricum