Morphometric features of Heuchera L. species in the introduction conditions of Donetsk Botanical Garden

On the territory of the Donetsk Botanical Garden of NAS of Ukraine the studies of morphometric characteristics of five of introduced species of the genus Heuchera L. were carried out. The results showed that H. americana is characterized by the greatest height, length and width of the leaf blade. The high variability of the parameters of height and diameter of the bush of H. villosa has signed.