Аннотация:SHOOT ANATOMY AND MORPHOLOGY OF SENECIO KLEINIIFORMIS SUESS. (ASTERACEAE) AND ITS PRESUMABLE PARENTAL SPECIES. The succulent S. kleiniiformis is a hybrid species incidentally originated in the culture. One of its parental species is suggested either S. articulatus (Haw.) Sch. Bip. as evidenced by morphological traits or S. tropaeolifolius MacOwan ex F. Muell. as evidenced by the molecular data. Senecio kleiniiformis is highly variable in morphology and vasculature pattern of its leaves. Senecio kleiniiformis is most similar with S. articulatus in the anatomical structure of the lamina and the stem. However, patterns of the vascular bundle arrangement in the lamina indicate closer relationships between S. kleiniiformis and S. tropaeolifolius.