Pollen micromorphological analysis of tribe Acacieae (Mimosaceae) with LM and SEM techniques

The morphology of pollen grains of the 06 species of tribe Acacieae (Mimosaceae) belonging to one genus were investigated using scanning electron microscopic (SEM) and light microscopic (LM) approach. Lactic acid acetolysis method was used for (LM) while non‐acetolysis for (SEM). The species were ex...

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Bibliographic Details
Published in:Microscopy research and technique 2019-09, Vol.82 (9), p.1610-1620
Main Authors: Khan, Shahzeb U., Zafar, Muhammad, Ahmad, Mushtaq, Anjum, Farida, Sultana, Shazia, Kilic, Omer, Ozdemir, Fethi A., Nazir, Abdul, Yaseen, Ghulam, Aabidin, Sheikh Z. U., Abbas, Qamar, Ahmad, Manzoor, Ullah, Farhat, Majeed, Salman
Format: Article
Language:English
Subjects:
Acacia - anatomy & histology
Acacia - ultrastructure
Acetolysis
Catechu
Lactic acid
Microscopy
Microscopy, Electron, Scanning
Mimosaceae
Morphology
palynology
Phylogeny
Pollen
Pollen - anatomy & histology
Pollen - ultrastructure
Scanning electron microscopy
SEM
Species
taxonomy
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Summary:The morphology of pollen grains of the 06 species of tribe Acacieae (Mimosaceae) belonging to one genus were investigated using scanning electron microscopic (SEM) and light microscopic (LM) approach. Lactic acid acetolysis method was used for (LM) while non‐acetolysis for (SEM). The species were examined for the both qualitative and quantitative palynological features. Qualitatively the pollen was studied for the shape, exine sculpturing, pollen shape, and pollen type. Oblate spheroidal shape of pollen was observed in Accacia modesta. Subprolate shape in Accaca nilotica. In Accacia farnesiana, prolate pollen was examined while prolate spheroidal in Acacia tortilis and spheroidal pollen grains were studied in Acacia catechu, respectively. Pollen exine sculpturing of the studied tribe possesses novel variation. Foveolate, reticulate, foveolate‐psilate, faint reticulate, fossulate, perforate, and scrabate exine sculpturing were noticed. Colpi were absent in all species. Excessive variation was observed in both qualitative and quantitative character of pollen. SPSS software was use for the quantitative measurement of the pollen grains. The current study will be helpful for the identification of the problematic species and phylogenetic studies of family Mimosaceae. Study of the pollenmicro‐morphological characters of tribe Acacieae (Mimosaceae) species by SEM and LM. Analysing both qualitative and quantitative palyno‐morphological feature of the collected species of tribe Acacieae (Mimosaceae). To develop the taxonomickey for the accurate identification.
ISSN:1059-910X
1097-0029
DOI:10.1002/jemt.23327