Data on floristic records of Geranium purpureum Vill. (Geraniaceae), a new alien species in the flora of Ukrainian plain area, are reported. Taxonomically the species is very close to G. robertianum L.; the main distinguishing features are: red colored stems over the entire length, thicker and less dissected leaves, with scattered adpressed hairs on both sides, petals half as much longer than sepals, rosy, about 10 mm long, yellow anthers, calyx 5–9 mm long, covered with short (to 0.5 mm) hairs or naked, triangular-ovate sepals, fruits with thicker transverse ridges, etc. The plants (over 100 individuals) were recorded around railway stations Batevo, Beregovo District and Uzhgorod in Transcarpathia Region. Brief morphological characteristics, chorological, ecological and coenotic peculiarities are given.
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