Dioscorea communis
Dioscorea communis
Dolanbaç
Syn: Tamus communis
Tubers subterranean, to 20 cm or more, blackish. Stems slender, to 4 m, rarely branched, longitudinally striate, glabrous, twining sinistrally as seen from outside. Leaves long-petiolate or long-acuminate, dark green, glabrous. Flowers greenish-yellow, glabrous. Bracteoles 2, linear-lanceolate, 1.5-2 mm. Staminate flowers 3.5-5 mm; lobes 1.5-2.5 x 1-1.5 mm,ovate-lanceolate; filaments slender, 2 mm; rudimentary ovary present. Pistillate flowers 5-6 mm, lobes 1.5-2 x 0.3-0.5 mm; styles free, reflexed and bifid at apices. Berry subglobose, 12-15 mm diam., green, ripening red.
1. Leaves ovate-cordate or broadly ovate-cordate, entire subsp. communis
1. Leaves hastate-trilobed, lateral lobes orbicular, middle lobe lanceolate subsp. cretica
