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Biosystematic studies of the Elymus hispidus (Poaceae: Triticeae) group in Iran
Author(s) -
Assadi M.
Publication year - 1998
Publication title -
nordic journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.333
H-Index - 33
eISSN - 1756-1051
pISSN - 0107-055X
DOI - 10.1111/j.1756-1051.1998.tb01526.x
Subject(s) - biology , elymus , subspecies , hybrid , triticeae , botany , poaceae , zoology , genetics , gene , genome
Biosystematic studies on the Elymus hispidus group included investigations on morphological characters and variability in cultivation, crossing experiments, hybrid fertility and meiotic configuration in hybrids. Elymus gentry! is a distinct species with a different altitudinal distribution from that of E. hispidus. Morphological characters which have been used to split E. hispidus into distinct species or subspecies are not constant in cultivation. The majority of the cultivated plants were morphologically similar to the maternal individuals from which seed was collected in the field. However, in some accessions the offspring represented different morphological variants when cultivated. Hybrids between different variants were fertile and showed regular meiosis. Different variants within the E. hispidus group tend to grow in different habitats and as characters to some extent show constancy in cultivation, three varieties, var. hispidus , var. podperae and var. villosus are recognized for E. hispidus in Iran.