Polygonaceae

R. scutatus L., Sp. PI. 337 (1753). Syn: R. hastifolius Bieb., Fl. Taur.-Cauc. 2: 290 (1808). Ic: Hegi, 111, Fl, Mitteleur. 3; t, 90 (1909). Figure 7, p. 283.
Glaucous perennial, suffrutescent below. Stems ascending, glabrous, up to 50 cm. Leaves sagittate-hastate, waisted, panduriform. Flowers unisexual. Inner perianth segments of the female flowers enlarging in fruit, broadly cordate-orbicular, 4-6 mm in diameter, larger than the nut, membranous, etuberculate. Outer perianth segments adpressed to inner. Nut yellowish. Fl. 6-8. Slopes, screes, hillsides, fields, 300-2200 m.
Described from Switzerland and Provence (Hb. Linn. 464/30!).
A2 Bursa: Olympus (Ulu Da.), Pichler. A3 Ankara: Nallihan, 650 m, D. 37055! A4 Kastamonu: N side of Ilgaz Da., 2200 m, D. 38387! A7 Gümüşane: Istavros, Sint. 1889: 1669! A8 Rize: Ortaköy, 2200 m, D. 21130! B2 Izmir: Bozdağ, 2000 m, D. 18207! B3 Konya: Sultan Da., 1600 m, Wall. B4 Ankara: Beynam, 300 m, D. 13060! B5 Seyhan: d. Feke, Gürümze to Süphandere, 1200 m, D. 19416! B6 Sivas: Gürün to Pinarbaşi, 1700 m, Stn. & Hend. 5697! B7 Muş: Gumgum (Varto), 1500 m, Kotschy 580. B9 Van: 5 km N of Şatak, D. 23257! C2 Muğla: Sandras Da., 2200 m, D. 13549! C3 Antalya: Ak Da., W of Geyik Da., 2100 m, D. 14539! C6 Maraş: Ahir Da., 900 m, Haradj. 1512! C9/10 Hakkari: Mt. Kelesin, Cilo Da., Deutschmann & Freh. W., C. & S. Europe, Crimea, Caucasia, N. & N.W. Iran.