<i>PHILADELPHUS CAUCASICUS</i> KOEHNE IN THE HIGH-MOUNTAINOUS DAGESTAN (TLYARATINSKY POPULATION)
The isolated locality of the red book species Philadelphus caucasicus Koehne. is studied on the territory of the Tlyaratinskiy district of High-mountainous Dagestan. Within the locality two sites were identified. Phytocenotic confinement of individuals, their number, biometric indicators and some parameters of morphological features of vegetative and generative organs of bushes were determined