Study and conservation of Iris aphylla L. during introduction in the Southern Urals

The article provides information about some biological features of the rare species Iris aphylla L., listed in a number of regional Red books. Ten-year-old plants, introduced into the South-Ural Botanical Garden- Institute of Ufa Federal Research Centre of RAS, were studied. Phenological features of the species, indicators of seed productivity and morphometric parameters of cultivars were studied. The assessment of decorative qualities and success of introduction of I. aphylla is carried out. It was revealed that the seed-grown species of I. aphylla in the forest-steppe zone of the Bashkir Urals passes the full cycle of development. According to the terms of flowering, the introduced species is referred to the group of early-flowering irises. Seed productivity is estimated as average. According to the assessment of the decorative qualities I. aphylla is referred to medium decorative plants. The early and fairly long flowering has been noted, as well as the presence of several buds on the shoot. The success of the introduction was six points, that is, the introduced species regularly mass flowering, bears fruit, reproduces vegetative, has a high resistance to local climatic conditions. I. aphylla is recommended to replenish the zonal assortment of cultivated plants of the Republic of Bashkortostan.