Morphology of wintering shoots of a rare species Exochorda serratifolia S. Moore in Primorsky Krai

The paper studies the morphology of winter shoots rare species Exochorda serratifolia S. Moore (Rosaceae Juss.) included in Red Book Primorsky Krai (Russian Federation) natural population (Khankaisky district Krai) and culture (the arboretum Mountain Taiga Station Far Eastern Branch Russian Academy Sciences) during 2020-2021. studied morphological features (linear dimensions stem, buds leaf scars, number metamers, bud scales, etc.) vary slightly. A characteristics – polyscaly, type budding, presence a waxy coating are adaptive to temperate continental climatic conditions. obtained data on overwintering can be used as additional diagnostic for identification plant leafless state.