Notes on Potentilla (Rosaceae) of Altai. 7. New findings in the flora of Kazakhstan

Abstract

The article presents a new data on distribution of 12 taxa of Potentilla L.in Kazakhstan. The plants were gathered on the territory of the East Kazakhstan Region (EKR) within the Altai Mountain Country (AMC). P. radiata Lehm. from the Kalbinsky ridge and P. rhipidophylla Soják from the Ukok Plateau proved to be the new species for Kazakhstan. P. radiata is mentioned for the first time for the AMC flora. The new locations are indicated for the other 10 species previously known in the flora of the EKR. One of them, P. asiatica (Th. Wolf) Juz., is mentioned for the first time for Rudny Altai and the Ukok Plateau. For the first time P. × angarensis Popov, P. pensylvanica L. and P. thuringiaca Bernh. ex Link. are mentioned for the Kalbinsky ridge and P. gelida C. A. Meyer subsp. boreoasiatica Jurtzev et Kamelin – for the Ivanosky ridge. P. agrimonioides M. Bieb. and P. tergemina Soják are new species for the Tarbagatay ridge of Katon-Karagay region, both are also mentioned for the first time for the flora of the Katon-Karagay State National Nature Park (KKSNNP). The article presents a key developed to identify P. radiata and related species of the territory of the EKR. In addition to Potentilla species, a new location of Farinopsis salesoviana (Steph.) Chrtek et Soják (Potentilla salessowii), a rare shrub for the flora of EKR, is mentioned. The labels of the studied samples are fully quoted; comments are given to all discussed species. The samples of the presented taxa are kept in the herbarium fund of the KKGNPP, duplicate materials have been deposited in the Herbarium of Altai State University (ALTB; Russia, Barnaul).