Seed morphology of Eriocaulon (Eriocaulaceae) in Thailand

IF 0.9 4区 生物学 Q4 PLANT SCIENCES Kew Bulletin Pub Date : 2024-03-05 DOI:10.1007/s12225-023-10161-5
Benja Wantongsuk, John. A. N. Parnell, Amornrat Prajaksood
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Abstract

The seed morphologies of forty-five Eriocaulon species and infraspecies in Thailand are described in detail. Characteristics of the seed were carefully investigated via LM and SEM, including shape, size, shapes of both ends and colour. Details of the seed coat, testa cell shape, axis of elongation, alignment, ridges formed where adjacent cells are in contact, surface ornamentation and the presence and morphology of appendages arising from the cell walls, were all recorded. Combinations of these characters are effective for species delimitation and identification. Similarities in seed coat characters and the relationships of floral structure between closely related taxa are discussed. Hygroscopic seed coat appendages are recorded and described for Eriocaulon for the first time.

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泰国桔梗科植物桔梗的种子形态
本文详细描述了泰国 45 个栗树种和亚种的种子形态。通过 LM 和 SEM 仔细研究了种子的特征,包括形状、大小、两端形状和颜色。种皮的细节、种皮细胞的形状、伸长轴、排列、相邻细胞接触时形成的脊、表面装饰以及细胞壁上附属物的存在和形态都被记录下来。这些特征的组合可以有效地进行物种划分和鉴定。本文讨论了种皮特征的相似性以及近缘类群之间花结构的关系。首次记录并描述了 Eriocaulon 的吸湿性种皮附属物。
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来源期刊
Kew Bulletin
Kew Bulletin PLANT SCIENCES-
CiteScore
1.70
自引率
22.20%
发文量
71
期刊介绍: Kew Bulletin is an international peer-reviewed journal for the taxonomy, systematics and conservation of vascular plants and fungi. Papers on conservation, evolution, palynology, cytology, anatomy, biogeography and phytochemistry are considered, where relevant to taxonomy and systematics. Review papers on topics appropriate to the journal are invited. The journal is richly illustrated with line drawings and photographs, and also features a Book Review and Notices section. Four parts (c. 640 pp) are published each year.
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