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Pollen morphology and its taxonomic significance in the genus Bomarea Mirb. (Alstroemeriaceae) - I. Subgenera Baccata, Sphaerine, and Wichuraea

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Title: Pollen morphology and its taxonomic significance in the genus Bomarea Mirb. (Alstroemeriaceae) - I. Subgenera Baccata, Sphaerine, and Wichuraea
Authors: Sarwar, Abul Khayer Mohammad Golam Browse this author
Hoshino, Yoichiro Browse this author →KAKEN DB
Araki, Hajime Browse this author →KAKEN DB
Keywords: Bomarea
exine sculpture
infrageneric classification
opercula-like structures
scanning electron microscopy
Issue Date: 2015
Publisher: Sociedade Botânica do Brasil(SBB)
Journal Title: Acta botanica brasilica
Volume: 29
Issue: 3
Start Page: 425
End Page: 432
Publisher DOI: 10.1590/0102-33062015abb0077
Abstract: Pollen morphology of 24 of the 33 species of three Bomarea subgenera, Baccata, Sphaerine, and Wichuraea, was examined by light microscopy (LM) and scanning electron microscopy (SEM), or SEM alone. The studied species of Bomarea were stenopalynous, characterized by large, monosukate monads with reticulate exine sculpture in most species. Opercula-like structures were present on the sulcus in B. huanuco and B. involucrosa. Differences in pollen size, exine thickness, and exine sculpture were observed. The studied taxa were divided into four major groups based on exine ornamentation observed under SEM: microreticulate, reticulate, coarsely rugulate, or finely rugulate-perforate. Pollen characters alone did not appear to correlate clearly with the current subgeneric classification of Bomarea, but they may have some taxonomic utility below the subgeneric level. The most reliable infrageneric classification of Bomarea can be achieved through combined analyses of morphological, palynological, and molecular data from larger samples of specimens of all the species.
Type: article
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 荒木 肇

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