ON THE BIOLOGICAL AND ECOLOGICAL FEATURES OF HEDYSARUM GRANDIFLORUM PALL. (FABACEAE) IN SAMARA REGION
In the article some of the biological and ecological characteristics of the rare species of the Samara region flora - Hedysarum grandiflorum Pall ( Fabaceae ) are described. The article provides data on the dissemination of the species in the Samara region, new areas of growth, life strategy, peculiarities of the bank of seeds and sprouts, population structure in nature, seasonal and annual dynamics of ontogenic structure, spatial distribution, growing conditions and other characteristics. Reduction of the number of the studied species in the area is due to the reduction of habitat and bio-ecological characteristics. The species is rare in the region and requires protection.