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Phyllode anatomy and histochemistry of four Acacia species (Leguminosae: Mimosoideae) in the Great Sandy Desert, north-western Australia
Dong, Zhigang1; He, Honghua1,2; He, HH (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Drylarzd Farming Loess, Yangling 712100, Shaanxi, Peoples R China.
SubtypeArticle
2017
Source PublicationJOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
description.correspondentemaildongzhigang@nwsuaf.edu.cn ; honghuahe@ms.iswc.ac.cn
Volume139Pages:110-120
AbstractAcacias are a major component of the vegetation in arid and semi-arid Australia. The anatomy and histochemistry of phyllodes of four Acacia species, i.e. Acacia ancistrocarpa, A. stellaticeps, A. stipuligera, and A. robeorum with distinct phyllode morphologies, native to the Great Sandy Desert in north-western Australia were studied by combining light microscopy, scanning electron microscopy, and various histochemical tests. The aims were to identify anatomical and histochemical features of different species that could contribute to the plants' adaptation to their desert environment. The results showed that phyllodes of A. robeorum were more xeromorphic but less scleromorphic than those of the other three species, and phyllodes of all studied species, except A. robeorum, were more scleromorphic than xeromorphic. Major xeromorphic features as adaptations to drought include thick phyllodesand densely packed long palisade mesophyll cells. Scleromorphic features are adaptations to low soil P availability and include thick cuticles, abundant sclerenchyma and lignified parenchyma cells. Isobilaterality, amphistomy, dense trichomes, and thick cuticles are likely structural adaptations associated with open vegetation. Histochemical adjustments of the phyllodes are also likely to contribute to the plants' adaptations to drought. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordAcacia Amphistomy Isobilaterality Phyllode Scleromorphy Xeromorphy
Subject AreaEnvironmental Sciences & Ecology
DOI10.1016/j.jaridenv.2017.01.001
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Indexed BySCI
Publication PlaceLONDON
Language英语
WOS IDWOS:000393629500011
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Funding OrganizationAustralian Research Council [LP0774881]; Mineral and Energy Research Institute of Western Australia; Telfer Gold Mine of Newcrest Mining, Australia; School of Plant Biology, The University of Western Australia; University of Western Australia; China Scholarship Council ; Australian Research Council [LP0774881]; Mineral and Energy Research Institute of Western Australia; Telfer Gold Mine of Newcrest Mining, Australia; School of Plant Biology, The University of Western Australia; University of Western Australia; China Scholarship Council
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Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8015
Collection水保所科研产出--SCI_2017--SCI
Corresponding AuthorHe, HH (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Drylarzd Farming Loess, Yangling 712100, Shaanxi, Peoples R China.
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Drylarzd Farming Loess, Yangling 712100, Shaanxi, Peoples R China
2.Univ Western Australia, Sch Plant Biol, 35 Stirling Highway, Crawley, WA 6009, Australia
Recommended Citation
GB/T 7714
Dong, Zhigang,He, Honghua,He, HH . Phyllode anatomy and histochemistry of four Acacia species (Leguminosae: Mimosoideae) in the Great Sandy Desert, north-western Australia[J]. JOURNAL OF ARID ENVIRONMENTS,2017,139:110-120.
APA Dong, Zhigang,He, Honghua,&He, HH .(2017).Phyllode anatomy and histochemistry of four Acacia species (Leguminosae: Mimosoideae) in the Great Sandy Desert, north-western Australia.JOURNAL OF ARID ENVIRONMENTS,139,110-120.
MLA Dong, Zhigang,et al."Phyllode anatomy and histochemistry of four Acacia species (Leguminosae: Mimosoideae) in the Great Sandy Desert, north-western Australia".JOURNAL OF ARID ENVIRONMENTS 139(2017):110-120.
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