Abstract
Caryological and physiological features of rare species Potentilla porphyrantha Juz. were investigated. It was shown that this species is diploid with 2n = 14 (x = 7). Physiological investigation included study of water regime, intensity of transpiration and photosynthesis. It was shown, that this species growing in-situ conditions on Amulsar Mountain (2900 m a.s.l.) now is very good adapted to ex-situ conditions in the Sevan botanical garden (1900 m a.s.l.). It grows very well, bloom and produce viable seeds, and in the future could be reintroduced into nature.
Highlights
Potentilla porphyrantha Juz .(Rosaceae) has a very nare area of distribution growing only in Armenia, Nakhichevan and NW Iran
About 2,000 plant specimens were transferred from the Amulsar mountain to the Sevan and Yerevan Botanical Gardens
We present the results of the investigation of the main physiological parameters
Summary
Potentilla porphyrantha Juz .(Rosaceae) has a very nare area of distribution growing only in Armenia, Nakhichevan and NW Iran. It is included in the Red Book of plants of Armenia in the category Critically Endangered [1]. A new rather big gold mine had to be established on this mountain, and big part of the population of P. porphyrantha could be destroyed In this regard, we have undertaken a detailed study of this species, the main purpose of which is to study the possibilities of its conservation in exsitu conditions with further reintroduction into nature.
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