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Aristolochia pontica
Aristolochia pontica
Gangırdak
Rootstock irregularly globose, shortly branched. Stems 18-50 cm, simple, erect, flexuous, minutely hirtellous. Leaves ovate-orbicular with rounded margins, 6-16 x 4.5-12.5 cm, acute to obtuse, papillose to pubescent below, base deeply cordate with rounded, obtuse auricles, 2-4.5 cm broad; petiole 1-6.5 cm, Peduncles 1.5-2.5 cm. Perianth 5-11 cm, yellowish-green or purple, sparsely hirtellous or hirsute outside; utricle 15-23 x 10-25 mm, very broadly oblong, yellowish-green to olive coloured; tube U-curved, 5-15 mm broad at base, gradually dilated above to 12-30 mm, purplish with light green veins; limb 2.5-7 cm, acute or obtuse, auricles 1-2 cm, obtuse, inside of auricles purplish, centre of limb cream heavily marked with maroon, throat bearing white hairs on its lower side. Ovary hirsute. Capsule obovoid to globose, c. 2.5 x 1.7 cm, pubescent, often with long scattered hairs. Fl. 4-6. Damp shady places and sheltered riverbanks, s.l.-1480.m.
Euxine element. Closely allied to A. cretica.
