气候变化领域集成服务门户(CCPortal): Echeveria Leaf Morpho-Anatomical Analysis and Its Implications for Environmental Stress Conditions

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DOI	10.3390/horticulturae10040308
	Echeveria Leaf Morpho-Anatomical Analysis and Its Implications for Environmental Stress Conditions
	Tran, My Khanh Thi Ha; Cabahug-Braza, Raisa Aone M.; Hwang, Yoon-Jung
发表日期	2024
EISSN	2311-7524
起始页码	10
结束页码	4
卷号	10 期号:4
英文摘要	Echeveria, classified in the Crassulaceae family, possesses unique adaptive strategies with xeromorphic features to withstand semi-arid environments. The diversity and ecological adaptation of succulent plants offer valuable insights into addressing climate change challenges. In particular, the epidermis, hypodermis, vascular bundles arrangement, and stomata characteristics are commonly used to investigate light, humidity, temperature, and water availability adaptations. While leaf anatomical analysis is a common approach, limited studies have been conducted on Echeveria, especially among cultivars. To understand how succulents cope with environmental stress, leaf morpho-anatomical features were analyzed using the free-hand sectioning method with methanol fixation of fifteen Echeveria cultivars. The finding revealed a robust correlation between epidermis and hypodermis size (r = 0.362-0.729), and a positive association between leaf thickness and the epidermis (r = 0.362-0.536), suggesting implications for water storage. Most cultivars displayed a 3D vascular arrangement, with minor vascular bundles surrounding the main vascular bundle at the center, along with small stomata size, and low stomata frequency in the adaxial surface. Moreover, these cultivars grown under controlled conditions maintain their xeromorphic characteristics with the presence of epicuticular wax and thick and fully expanded small leaves. Likewise, the features of cultivars ultimately suggest that these succulents are tolerant to high temperatures and limited water supply. This study provides a fundamental understanding of Echeveria plants' leaf anatomy and the correlation of their leaf structures toward environmental stress. Likewise, the methods and results of this study will serve as a benchmark for other research in related species.
英文关键词	anatomy; cell morphology Echeveria; free-hand sectioning; succulents
语种	英语
WOS研究方向	Agriculture
WOS类目	Horticulture
WOS记录号	WOS:001211409400001
来源期刊	HORTICULTURAE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/301156
作者单位	Duy Tan University; Sahmyook University; Sahmyook University
推荐引用方式 GB/T 7714	Tran, My Khanh Thi Ha,Cabahug-Braza, Raisa Aone M.,Hwang, Yoon-Jung. Echeveria Leaf Morpho-Anatomical Analysis and Its Implications for Environmental Stress Conditions[J],2024,10(4).
APA	Tran, My Khanh Thi Ha,Cabahug-Braza, Raisa Aone M.,&Hwang, Yoon-Jung.(2024).Echeveria Leaf Morpho-Anatomical Analysis and Its Implications for Environmental Stress Conditions.HORTICULTURAE,10(4).
MLA	Tran, My Khanh Thi Ha,et al."Echeveria Leaf Morpho-Anatomical Analysis and Its Implications for Environmental Stress Conditions".HORTICULTURAE 10.4(2024).