Polygonaceae

R. alpinus L., Sp. PL 334 (1753). Ic: Reichb., Ic. Fl. Germ. 24; t. 158 (1903). Figure 7, p. 283.
Perennial with creeping rhizome. Flowering stems erect, up to 1 m. Basal leaves 1-2 x longer than broad, ovate-cordate with rounded apices; secondary veins in the middle portion of the leaf forming an acute angle with the main vein. Panicle dense. Pedicels filiform, much longer than the inner perianth segments. Inner perianth segments enlarged in fruit, cordate-triangular, 4-5 x 3.5-5 mm, etuberculate, entire. Fl. 6-8. Screes, streamsides, shady places, 1500-2500 m.
Described from Switzerland and Montpellier (Hb. Linn. 464/35!).
A2 Bursa: Ulu Da., 2300 m, D. 14823! A3 Bolu: Ala Da., Kartal Kaya Tepe, 1650 m, D. 37442! A7 Gümüşane: above Artabir, Sint. 1894: 7070! A8 Çoruh: Tiryal Da. above Murgul, 2150 m, D. 29953! Rize: d. Ikizdere, between Baltaş Tepe and Haros Da., 2500 m, D. 20950! B7 Erzincan: Keşiş Da. above Cimin, 2450 m, D. 31647! B8 Erzurum: Bingöl Da. between Muş and Erzurum, Kotschy 582; Bitlis: Hurmuz nr. Bitlis, 1500 m, D. 23425!
C. Europe, Italy, Balkans, Bulgaria, Spain, Caucasia, W. Iran.