The area of the reservation ranges 33,9ha, which aim is to protect beechmast [of lowness-niżowa(pl.)] and "grąd" subcontinental in forestry of Szymiszów. The reservation is a beech forest in age of 140-years. In the fleece, there are: Eurasian baneberry, Blackening flat pea, Carex. Among 60 vascular plants in the reservation, 6 of them are under the law protection of the species, such as: Lesser Butterfly-orchid, Woodruff, Bird's-nest orchid.