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Pollen morphology and infrageneric classification of Alstroemeria L. (Alstroemeriaceae)

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Title: Pollen morphology and infrageneric classification of Alstroemeria L. (Alstroemeriaceae)
Authors: Sarwar, Abul Khayer Mohammad Golam Browse this author
Hoshino, Yoichiro Browse this author →KAKEN DB
Araki, Hajime Browse this author →KAKEN DB
Keywords: Alstroemeria
Brazilian species group
Chilean species group
non-acetolysed pollen
exine sculpture
infrageneric classification
Issue Date: Dec-2010
Publisher: Taylor & Francis
Journal Title: Grana
Volume: 49
Issue: 4
Start Page: 227
End Page: 242
Publisher DOI: 10.1080/00173134.2010.529503
Abstract: Pollen morphology of 53 taxa of the South American genus Alstroemeria was examined using light and scanning electron microscopy (LM and SEM, respectively), or SEM alone, in search of new characters that might contribute to infrageneric classification of the genus. The Alstroemeria species are stenopalynous and characterised by monosulcate and large monads with striate-reticulate exine sculpture. Pollen with auriculae-like structures at each end of the sulcus is reported for the first time in Alstroemeria. Based on exine sculpture, the studied taxa were divided into two major groups; one with striate-reticulate exine (Type I) and the other with finely to coarsely rugulate-psilate exine (Type II). Type I exine sculpture can be further divided into two sub-types based on the width of the muri. Although species from Brazil show relatively closer positions in principal component analysis of quantitative data, agglomerative hierarchical clustering of palynological features does not support a subdivision of this genus into a Brazilian and a Chilean species group. The infrageneric classification of Alstroemeria can be reliably achieved by combined analyses of morphological, palynological and molecular data from a larger number of specimens of all species.
Rights: ‘This is an electronic version of an article published in Grana, Volume 49, Issue 4 December 2010 , pages 227-242 . Grana is available online at:
Type: article (author version)
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: Sarwar, A.K.M. Golam

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