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Aristolochia iberica Fisch. & C.A.Mey. ex Duch.
Name
Caucasian Birthwort
Habit
perennial herb < 0,8 m, irregularly globose/ovoid tuber
Inflorescence
3-5 cm, odour barely noticeable
Origin
Russia, Georgia, Turkey, Armenia, Azerbaijan
Seeds
thick-shelled, triangular, large elaiosome,
stratification 1-5 years
Aristolochia iberica constitutes the most widespread species of the Caucasian-Pontic pontica-complex. Although the propagation via seeds is more or less a disaster (stratification times up to 4 years!) it will grow very quickly as soon as established and capable of doubling the size of the tuberous stem each year.
After 3-4 years the irregularly shaped storage organs can reach the size of a fist already.
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