پديد آورندگان :
راعي نياكي، نعمت الله نويسنده دانشگاه تهران Raei Niaki, N. , عطار، فريده نويسنده موسسه تحقيقات گياهپزشكي كشور، دانشگاه تهران Attar, F , معروفي، حسين نويسنده مركز تحقيقات كشاورزي و منابع طبيع استان كردستان MAROOFI, H.
چكيده لاتين :
In this study, anatomical features of blade and midrib region in ]4 species of genus Cotoneaster belonging to two
sections Cotoneaster and Chaenopetalum are presented. These species include Cotoneaster nummularioides, C.
kotschvi. C. turcamanicus, C. multiftorus. C nummularius, C. hissaricus, C. luristanicus, C suavis, C. morulus, C.
OVQfllS, C. discolor, C. assadii. C. metanocarpus and C. persicus. Among 30 studied characters, five characters
(quantitative features such as presence of tiber, presence of cuticle and external xylem) are constant in different
species. Twenty four characters 24 are variable in several species and several individuals of the same species. Only
one character (i.e. number of palisade parenchyma layer) was variable and useful in separation of species
