Comparative Floral and Pollen Micromorphology of Leonurus japonicus and L. macranthus (Lamiaceae)

Floral micromorphology and pollen morphology of two Leonurus (Lamiaceae) species were examined and compared using scanning electron microscopy to evaluate the diagnostic value of these features to facilitate future studies on floral biology and taxonomy. Floral epidermal patterns...

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Autores principales:	Min-Kyeong Oak, Sungyu Yang, Goya Choi, Jun-Ho Song
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	anther glands conical cells <i>Leonurus</i> SEM pollen morphology Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/2f85a6a99d2346edae25352f43fea379
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spelling	oai:doaj.org-article:2f85a6a99d2346edae25352f43fea3792021-11-25T17:22:26ZComparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)10.3390/d131105331424-2818https://doaj.org/article/2f85a6a99d2346edae25352f43fea3792021-10-01T00:00:00Zhttps://www.mdpi.com/1424-2818/13/11/533https://doaj.org/toc/1424-2818Floral micromorphology and pollen morphology of two <i>Leonurus</i> (Lamiaceae) species were examined and compared using scanning electron microscopy to evaluate the diagnostic value of these features to facilitate future studies on floral biology and taxonomy. Floral epidermal patterns were similar in both species, with the conical to central-conical epidermal cells on the adaxial side of the lower lip (corolla). Capitate, peltate, scale-like glandular, and non-glandular trichomes were distributed on the surface of the floral organs. Notably, scale-like anther glands and floral stomata were found on the anthers and abaxial side of the calyx, respectively. Pollen grains had bi-reticulate exine with angular primary lumina and rounded secondary lumina. These characteristics provide indirect evidence of a close association between plant-pollinator interactions and effective pollination. In addition, quantitative traits of pollen grains and trichome types on the adaxial side of the lip differed between the two species. These characteristics may have diagnostic and taxonomic value for the genus <i>Leonurus</i> and family Lamiaceae.Min-Kyeong OakSungyu YangGoya ChoiJun-Ho SongMDPI AGarticleanther glandsconical cells<i>Leonurus</i>SEMpollen morphologyBiology (General)QH301-705.5ENDiversity, Vol 13, Iss 533, p 533 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	anther glands conical cells <i>Leonurus</i> SEM pollen morphology Biology (General) QH301-705.5
spellingShingle	anther glands conical cells <i>Leonurus</i> SEM pollen morphology Biology (General) QH301-705.5 Min-Kyeong Oak Sungyu Yang Goya Choi Jun-Ho Song Comparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)
description	Floral micromorphology and pollen morphology of two <i>Leonurus</i> (Lamiaceae) species were examined and compared using scanning electron microscopy to evaluate the diagnostic value of these features to facilitate future studies on floral biology and taxonomy. Floral epidermal patterns were similar in both species, with the conical to central-conical epidermal cells on the adaxial side of the lower lip (corolla). Capitate, peltate, scale-like glandular, and non-glandular trichomes were distributed on the surface of the floral organs. Notably, scale-like anther glands and floral stomata were found on the anthers and abaxial side of the calyx, respectively. Pollen grains had bi-reticulate exine with angular primary lumina and rounded secondary lumina. These characteristics provide indirect evidence of a close association between plant-pollinator interactions and effective pollination. In addition, quantitative traits of pollen grains and trichome types on the adaxial side of the lip differed between the two species. These characteristics may have diagnostic and taxonomic value for the genus <i>Leonurus</i> and family Lamiaceae.
format	article
author	Min-Kyeong Oak Sungyu Yang Goya Choi Jun-Ho Song
author_facet	Min-Kyeong Oak Sungyu Yang Goya Choi Jun-Ho Song
author_sort	Min-Kyeong Oak
title	Comparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)
title_short	Comparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)
title_full	Comparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)
title_fullStr	Comparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)
title_full_unstemmed	Comparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)
title_sort	comparative floral and pollen micromorphology of <i>leonurus</i> <i>japonicus</i> and <i>l. macranthus</i> (lamiaceae)
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2f85a6a99d2346edae25352f43fea379
work_keys_str_mv	AT minkyeongoak comparativefloralandpollenmicromorphologyofileonurusiijaponicusiandilmacranthusilamiaceae AT sungyuyang comparativefloralandpollenmicromorphologyofileonurusiijaponicusiandilmacranthusilamiaceae AT goyachoi comparativefloralandpollenmicromorphologyofileonurusiijaponicusiandilmacranthusilamiaceae AT junhosong comparativefloralandpollenmicromorphologyofileonurusiijaponicusiandilmacranthusilamiaceae
_version_	1718412398955593728

Comparative Floral and Pollen Micromorphology of <i>Leonurus</i> <i>japonicus</i> and <i>L. macranthus</i> (Lamiaceae)

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