Dilijan National Park among four juniper species occurring in the national park. There are well conserved juniper stands on the rocky slopes of Mount Abeghakhar in the basin of the River Aghstev. The forests in the national park are rich in fruit trees and bushes such as oriental apple – "Malus orientalis", walnut - "Juglans regia", cornel - "Cornus mas", plum - "Prunus" spp., blackthorn - "Prunus spinosa", pear - "Pyrus communis" subsp. "caucasica", gooseberry - "Grossularia reclinata" ("Ribes reclinatum"), medlar - "Mespilus germanica", common hazelnut - "Corylus avellana" (see also Hazelnut Reservation), various species of Blackcurrant - "Ribes" spp., and hawthorn -
Prunus pumila leathery, long, with a serrated margin. The flowers are in diameter with five white petals and 25–30 stamens. They are produced in small clusters of two to four. The fruit is a small cherry diameter, ripening dark purple in early summer. "Prunus × cistena" (purple leaf sand cherry) is a hybrid of "Prunus cerasifera" (Cherry Plum) and "Prunus pumila". It was developed by Niels Ebbesen Hansen of South Dakota State University in 1910. Prunus pumila Prunus pumila, commonly called sand cherry, is a North American species of cherry in the rose family. It is widespread in eastern and central Canada