期刊
MICROSCOPY RESEARCH AND TECHNIQUE
卷 81, 期 8, 页码 832-842出版社
WILEY
DOI: 10.1002/jemt.23045
关键词
Baccharis; druses; leaf anatomy; light and scanning electron microscopy; oil bodies
资金
- CAPES -Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior [88881.119611/2016-01]
- UEPG - Universidade Estadual de Ponta Grossa
- Araucaria Foundation
We report for the first time the presence of cluster crystals of calcium oxalate within the glandular trichomes and oil bodies in the mesophyll for Baccharis species. Moreover, the comparative leaf anatomy and micro-morphology of six species of Baccharis, namely B. illinita, B. microdonta, B. pauciflosculosa, B. punctulata, B. reticularioides, and B. sphenophylla is investigated by light and scanning electron microscopy. The studied species exhibited differences in their leaf anatomical features such as the morphology of the cuticle, type and occurrence of the stomata, presence or absence of glandular trichomes, shape of the flagelliform trichomes, and the arrangement of the mesophyll tissues. These differences can be helpful in the species identification and classification and could represent informative characters for the reconstruction of the evolution of the genus.
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