Decorative signs of large-horned narcissus in the Mari El Republic conditions

The article presents data on morphometric parameters of 6 large-borned daffodils varieties from the collection of the Botanical Garden-Institute of VSUT (Mari El Republic, Yoshkar-Ola) for the period 2015-2018. The results of the reconciliation of varieties by the year of registration, the name of the originator, the color of the flower are presented. Among the studied daffodils, varieties with high and low peduncles, large and small flowers were identified. Varieties with large flowers have a larger flower crown and a smaller peduncle height.