Iris (Iris) is a genus of perennial rhizomatous herbaceous plants of the Iridaceae family. Iris has sword-shaped leaves growing in dense clumps and flowers of various shades (in most species, from blue to purple or yellow) may be single or in blossom clusters. At their bases, the petals grow together to form a tube with nectar inside. The genus of irises has about 250 species. In central Russia, irises bloom from late May to July. There are 40 species of irises in the country found in various habitats; 10 of them are listed in the Red Book of the Russian Federation.
The postal stamps provide images of irises listed in the Red Book of the Russian Federation: Iris scariosa, Iris vorobievii, Iris acutiloba and Iris tigridia.
Paper |
Printing method |
Perforation |
Format of the stamp |
Edition |
Self-adhesive |
Offset + security system |
Die cut 11¼ |
36,5 × 29 mm |
70 thousand stamps |