Comparative leaf morphology and anatomy of three Asteraceae species
نویسندگان
چکیده
منابع مشابه
Comparative leaf anatomy of the Inula species (Asteraceae: Inuleae) in Iran
The genus Inula L. belongs to tribe Inuleae (Asteraceae) with about 100 species in the world. In this study, leaf in cross section and epidermis in superficial view were studied. Twenty one characters were used for separating the species with an identification key. The most important characters like kind of hairs, shape of epidermal cells on both surfaces, stomata in superficial view and in cro...
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این تحقیق کوشیده است با انتخاب پنج رمان از میان آثار برگزیده، «چارلز دیکنز»، «جورج الیوت» و «توماس هاردی » و با رویکردی تطبیقی به بررسی درونمایه ی «ازدواج» در آثار این سه رمان نویس بزرگ دوره ی ویکتوریا بپردازد. فرضیه ی اولیه ی تحقیق این بوده است که چارلز دیکنز (1870- 1812) با زبانی شوخ و گزنده، جورج الیوت(1880- 1819) با نگاهی آموزشی–اندرزگونه و توماس هاردی(1928- 1840) با رویکردی تلخ وانتقادی به...
Morphology and anatomy of leaf mine in Richterago riparia Roque (Asteraceae) in the campos rupestres of Serra do Cipó, Brazil.
The leaf mine in Richterago riparia is caused by a lepidopteran larva (lepidopteronome). The leaves of R. riparia show campdodrome venation; the epidermis is unistratified, with stomata and glandular trichomes in adaxial and abaxial surfaces. The mesophyll is bilateral and the vascular system is collateral. During the formation of the mine, the larva consumes the chlorenchyma of the mesophyll a...
متن کاملLeaf and peduncle anatomy of some species of the genus Pterocephalus (Caprifoliaceae) from Iran
Pterocephalus (Caprifoliaceae) consists of 30 species worldwide, mainly distributed in the temperate regions of the northern hemisphere, of which 14 species were reported from Iran, including five endemic ones. In this study, 35 leaf-related traits and 30 peduncle-related traits were investigated by light microscopy of 15 samples from 11 Iranian species of Ptreocephalus. Our results showed that...
متن کاملThe Anatomy and Morphology Cushion Species Tasmanian
A study of the anatomy and morphology of four Tasmanian cushion plant showed that anatomical convergence was not as well developed as the obviolls morphological convergence. The of well-developed xeromorphic features in the Tasmanian species is not consistent with the hypothesis previollsly suggesrcd that the cilshion fonn evolved plimarily as a strategy to maintain a positive water balance.
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ژورنال
عنوان ژورنال: Brazilian Archives of Biology and Technology
سال: 2006
ISSN: 1516-8913
DOI: 10.1590/s1516-89132006000100016