ECOLOGICAL AND MORPHOLOGICAL FEATURES OF SPONTANEOUS HYBRID <i>CORYLUS COLURNA </i>L <i>. AND CORYLUS AVELLANA F. ATROPURPUREA </i>PETZ. & KIRCHN
Given the morphological and ecological description of spontaneous hybrid Corylus avellanoides f. atropurpurea hort. and the of parental types ♀ Corylus colurna L. and ♂ Corylus avellana f. atropurpurea Petz. & Kirchn.