Pollen morphology of the tribe Pterostegieae (Polygonaceae: Eriogonoideae)

Suk Pyo Hong; Il chan Oh; Se hee Son

doi:10.1080/00173139809362634

Pollen morphology of the tribe Pterostegieae (Polygonaceae: Eriogonoideae)

Suk Pyo Hong
, Il chan Oh
, Se hee Son

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Pollen of two North American monotypic genera (Pterostegia and Harfordia) in the tribe Pterostegieae (including three varieties of Harfordia ca. 22 specimens in total) was examined with light microscope and scanning electron microscope. Detailed descriptions of the inner surface of the tectum and endoapertures were investigated using freezing microtome sections in SEM. The pollen of Pterostegieae can be characterized as being usually 3-colporate, lolongate or almost circular (more common in Harfordia) and having endoapertures with a subtectate-microreticulate or ruglo-/striato-perforate exine sculpturing. The pollen grains of Pterostegia and Harfordia are very much alike and are therefore, not easily separable, although there are some slight variations (especially in pollen size and sexine patterns, etc.). The infratectum of pollen in Harfordia is covered with comparatively few and less dense granules than that of Pterostegia and these characters are reported for Pterostegia drymarioides for the first time here. This palynological detail (i.e., granular inner tectum surface) might be considered an important synapomorphic character, which reinforces the concept of a close relationship between the tribes Pterostegieae and Eriogoneae in the subfamily Eriogonoideae.

Original language	English
Pages (from-to)	15-21
Number of pages	7
Journal	Grana
Volume	37
Issue number	1
DOIs	https://doi.org/10.1080/00173139809362634
Publication status	Published - 1 Jan 1998

Bibliographical note

Funding Information:
We would like to thank the directors/curators of the following herbaria for permitting the examination of specimens through loans: CAS, DS, MICH and US. We are also grateful to Prof. S. Nilsson and Dr. G. El-Ghazaly at the Palynological Laboratory, Stockholm (S) for their careful editorial assistance, and to anonymous reviewers for their numerous helpful comments on the manuscript. Appreciation is also expressed to other undergraduate students in our laboratory (KHUS) for their kind assistance in a variety of aspects. This work was supported by a grant ("Non-directed Professor Research Fund Award 1996") of Kyung Hee University (Seoul), and, in part, especially for the SEM-work by Non-Directed research Fund (1995: KRA 427-01-D-0425) from the Korea Research Foundation to the first author (S.-P. Hong). Both of these are also gratefully acknowledged.

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10.1080/00173139809362634

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title = "Pollen morphology of the tribe Pterostegieae (Polygonaceae: Eriogonoideae)",

abstract = "Pollen of two North American monotypic genera (Pterostegia and Harfordia) in the tribe Pterostegieae (including three varieties of Harfordia ca. 22 specimens in total) was examined with light microscope and scanning electron microscope. Detailed descriptions of the inner surface of the tectum and endoapertures were investigated using freezing microtome sections in SEM. The pollen of Pterostegieae can be characterized as being usually 3-colporate, lolongate or almost circular (more common in Harfordia) and having endoapertures with a subtectate-microreticulate or ruglo-/striato-perforate exine sculpturing. The pollen grains of Pterostegia and Harfordia are very much alike and are therefore, not easily separable, although there are some slight variations (especially in pollen size and sexine patterns, etc.). The infratectum of pollen in Harfordia is covered with comparatively few and less dense granules than that of Pterostegia and these characters are reported for Pterostegia drymarioides for the first time here. This palynological detail (i.e., granular inner tectum surface) might be considered an important synapomorphic character, which reinforces the concept of a close relationship between the tribes Pterostegieae and Eriogoneae in the subfamily Eriogonoideae.",

author = "Hong, \{Suk Pyo\} and Oh, \{Il chan\} and Son, \{Se hee\}",

note = "Funding Information: We would like to thank the directors/curators of the following herbaria for permitting the examination of specimens through loans: CAS, DS, MICH and US. We are also grateful to Prof. S. Nilsson and Dr. G. El-Ghazaly at the Palynological Laboratory, Stockholm (S) for their careful editorial assistance, and to anonymous reviewers for their numerous helpful comments on the manuscript. Appreciation is also expressed to other undergraduate students in our laboratory (KHUS) for their kind assistance in a variety of aspects. This work was supported by a grant ({"}Non-directed Professor Research Fund Award 1996{"}) of Kyung Hee University (Seoul), and, in part, especially for the SEM-work by Non-Directed research Fund (1995: KRA 427-01-D-0425) from the Korea Research Foundation to the first author (S.-P. Hong). Both of these are also gratefully acknowledged.",

year = "1998",

month = jan,

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doi = "10.1080/00173139809362634",

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pages = "15--21",

journal = "Grana",

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T1 - Pollen morphology of the tribe Pterostegieae (Polygonaceae: Eriogonoideae)

AU - Hong, Suk Pyo

AU - Oh, Il chan

AU - Son, Se hee

N1 - Funding Information: We would like to thank the directors/curators of the following herbaria for permitting the examination of specimens through loans: CAS, DS, MICH and US. We are also grateful to Prof. S. Nilsson and Dr. G. El-Ghazaly at the Palynological Laboratory, Stockholm (S) for their careful editorial assistance, and to anonymous reviewers for their numerous helpful comments on the manuscript. Appreciation is also expressed to other undergraduate students in our laboratory (KHUS) for their kind assistance in a variety of aspects. This work was supported by a grant ("Non-directed Professor Research Fund Award 1996") of Kyung Hee University (Seoul), and, in part, especially for the SEM-work by Non-Directed research Fund (1995: KRA 427-01-D-0425) from the Korea Research Foundation to the first author (S.-P. Hong). Both of these are also gratefully acknowledged.

PY - 1998/1/1

Y1 - 1998/1/1

N2 - Pollen of two North American monotypic genera (Pterostegia and Harfordia) in the tribe Pterostegieae (including three varieties of Harfordia ca. 22 specimens in total) was examined with light microscope and scanning electron microscope. Detailed descriptions of the inner surface of the tectum and endoapertures were investigated using freezing microtome sections in SEM. The pollen of Pterostegieae can be characterized as being usually 3-colporate, lolongate or almost circular (more common in Harfordia) and having endoapertures with a subtectate-microreticulate or ruglo-/striato-perforate exine sculpturing. The pollen grains of Pterostegia and Harfordia are very much alike and are therefore, not easily separable, although there are some slight variations (especially in pollen size and sexine patterns, etc.). The infratectum of pollen in Harfordia is covered with comparatively few and less dense granules than that of Pterostegia and these characters are reported for Pterostegia drymarioides for the first time here. This palynological detail (i.e., granular inner tectum surface) might be considered an important synapomorphic character, which reinforces the concept of a close relationship between the tribes Pterostegieae and Eriogoneae in the subfamily Eriogonoideae.

AB - Pollen of two North American monotypic genera (Pterostegia and Harfordia) in the tribe Pterostegieae (including three varieties of Harfordia ca. 22 specimens in total) was examined with light microscope and scanning electron microscope. Detailed descriptions of the inner surface of the tectum and endoapertures were investigated using freezing microtome sections in SEM. The pollen of Pterostegieae can be characterized as being usually 3-colporate, lolongate or almost circular (more common in Harfordia) and having endoapertures with a subtectate-microreticulate or ruglo-/striato-perforate exine sculpturing. The pollen grains of Pterostegia and Harfordia are very much alike and are therefore, not easily separable, although there are some slight variations (especially in pollen size and sexine patterns, etc.). The infratectum of pollen in Harfordia is covered with comparatively few and less dense granules than that of Pterostegia and these characters are reported for Pterostegia drymarioides for the first time here. This palynological detail (i.e., granular inner tectum surface) might be considered an important synapomorphic character, which reinforces the concept of a close relationship between the tribes Pterostegieae and Eriogoneae in the subfamily Eriogonoideae.

UR - https://www.scopus.com/pages/publications/0032408234

U2 - 10.1080/00173139809362634

DO - 10.1080/00173139809362634

M3 - Article

AN - SCOPUS:0032408234

SN - 0017-3134

VL - 37

SP - 15

EP - 21

JO - Grana

JF - Grana

IS - 1

ER -

Pollen morphology of the tribe Pterostegieae (Polygonaceae: Eriogonoideae)

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