毛状体
含羞草科
生物
植物
分类单元
属
分类学(生物学)
蝶形花科
作者
Mariana Cecilia Grohar,Sonia Rosenfeldt,Matías Morales
出处
期刊:Turkish Journal of Botany
[Scientific and Technological Research Council of Turkey]
日期:2016-01-01
卷期号:40: 45-58
被引量:9
摘要
We studied leaflets of 18 taxa of the genus Mimosa, specifically the Dolentes-Brevipedes taxonomic complex, focusing on micromorphology, type, shape, and density of trichomes.Within the nonglandular trichomes we described 3 types of nonbranched and 2 types of branched trichomes.We also described 2 types of stalked glandular trichomes, extending the recent classifications of trichomes in Mimosa.Multiseriate trichomes with lateral projections, which resemble incipient branching, are described here for many taxa.Most studied taxa have pubescent leaflets and show great variability in trichome density values.We also found 3 different types of blade margins with variation in type, alignment, and orientation of trichomes.Results show that the micromorphology of blade trichomes allows distinguishing groups of taxa in this complex, which could be a new tool for performing taxonomic treatment of both subseries.
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