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 tianshanica Prunus tianshanica Prunus tianshanica, the Tianshan cherry, is a species of cherry native to the Tianshan Mountains of Central Asia, preferring to grow at 800-1000m. "Prunus tianshanica" is a shrub reaching . The bark is grey, turning browner with age. The flowers are pink, and the dark red fruits, although small, are high in sugar and pleasant to the taste. It hybridizes naturally with "Prunus cerasifera", and the offspring produce fruit. A phylogenetic reconstruction using twelve chloroplast loci and three nuclear genes of 84 species of "Prunus" shows that "Cerasus" is indisputably a synonym (and subgenus) of "Prunus" and that