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Systematic importance of achene macro-micromorphological characteristics in selected species of the genera Crupina, Jurinea, and Klasea (Asteraceae) from Turkey.
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2020-07-12 , DOI: 10.1002/jemt.23526 Mehmet Bona 1
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2020-07-12 , DOI: 10.1002/jemt.23526 Mehmet Bona 1
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This study focuses on the macro‐micromorphological achene characteristics of 12 species of the genera Crupina, Jurinea, and Klasea (Asteraceae) using light microscopy and the scanning electron microscopy (SEM). The morphological characteristics of the achenes, including shape, size, color, and surface pattern of achene, and hair structure, length, and color of pappus are studied. The results show that the achene length is between 3 and 8 mm, and its width is between 1 and 4 mm. Pappus is 4–15 mm long and persistent for seven species. SEM analysis shows four different achene surface patterns for the studied species: smooth, undulate, smooth‐undulate, and undulate‐ruminate. The genus Crupina has darkly colored achenes with yellow, dense firm hairs, and the achene surface pattern is smooth. Triangular and sulcate achenes seem to characteristic for the genus Jurinea. The genus Klasea distinguished from the remaining species studied with its straw‐colored and deciduous pappus. Macro‐micromorphological characteristics provide effective tools for both generic and intrageneric differentiation for the studied species.
中文翻译：
来自土耳其的 Crupina、Jurinea 和 Klasea（菊科）选定物种瘦果宏观微观形态特征的系统重要性。
本研究使用光学显微镜和扫描电子显微镜 (SEM)重点研究了Crupina、Jurinea和Klasea（菊科）属 12 种瘦果的宏观微观形态特征。研究了瘦果的形态特征，包括瘦果的形状、大小、颜色和表面图案，以及绒毛的结构、长度和颜色。结果表明瘦果长度在3～8mm之间，宽度在1～4mm之间。Pappus 长 4-15 毫米，持久性为 7 种。SEM 分析显示了所研究物种的四种不同瘦果表面图案：平滑、起伏、平滑-起伏和起伏-反刍。Crupina属瘦果颜色深，有黄色密实的毛，瘦果表面花纹光滑。三角形和槽状瘦果似乎是Jurinea属的特征。属Klasea从它的稻草色和落叶冠毛研究其余的物种区分开来。宏观微观形态特征为研究物种的属和属内分化提供了有效的工具。
更新日期：2020-07-12
中文翻译：
来自土耳其的 Crupina、Jurinea 和 Klasea（菊科）选定物种瘦果宏观微观形态特征的系统重要性。
本研究使用光学显微镜和扫描电子显微镜 (SEM)重点研究了Crupina、Jurinea和Klasea（菊科）属 12 种瘦果的宏观微观形态特征。研究了瘦果的形态特征，包括瘦果的形状、大小、颜色和表面图案，以及绒毛的结构、长度和颜色。结果表明瘦果长度在3～8mm之间，宽度在1～4mm之间。Pappus 长 4-15 毫米，持久性为 7 种。SEM 分析显示了所研究物种的四种不同瘦果表面图案：平滑、起伏、平滑-起伏和起伏-反刍。Crupina属瘦果颜色深，有黄色密实的毛，瘦果表面花纹光滑。三角形和槽状瘦果似乎是Jurinea属的特征。属Klasea从它的稻草色和落叶冠毛研究其余的物种区分开来。宏观微观形态特征为研究物种的属和属内分化提供了有效的工具。
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