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Light and scanning electron microscopic characterization of thirty endemic Fabaceae species of district Lahore, Pakistan.
Microscopy Research and Technique ( IF 2.5 ) Pub Date : 2020-09-01 , DOI: 10.1002/jemt.23545
Shabnum Shaheen 1 , Rozina Fateh 1 , Sidra Younis 1 , Nidaa Harun 1 , Mehwish Jaffer 1 , Khadim Hussain 2 , Muhammad Ashfaq 3 , Riffat Siddique 1 , Hanan Mukhtar 1 , Farah Khan 1
Affiliation  

In the present study anatomical characterization of 30 species of Fabaceae endemic to Lahore, Pakistan were done under light and scanning electron microscopy. Variety of qualitative and quantitative anatomical characters like epidermal cells shapes and size, stomata types, length, and width of guard cells, subsidiary cells, trichomes, silica bodies, shapes, and their numbers were studied. Overall polygonal, irregular smooth, thick walled epidermal cells were observed at both abaxial and adaxial surfaces except Dalbergia sisso Roxb in which hexagonal epidermal cells were reported. Milletia ovelifolia Kurz. possessed the largest length of epidermal cell i.e., 273.1 μm whereas Calliandra bella Benth. showed the smallest length i.e., 76.5 μm. Average width of epidermal cells ranged from 44 to 265.5 μm. M. ovelifolia Kurz had largest width while Acacia nilotica L. had the smallest width respectively. In adaxial surface epidermal cells length ranged 317 to 46.4 μm, Glycyrriza glabra L. showed the smallest length whereas Prosopis juliflora DC. had largest length. In adaxial numbers of stomata is high as compare to the abaxial surface, mostly paracytic, anisocytic, and anomocytic stomata were observed. There is not much variations observed in trichomes of studied members. Generally non glandular, unbranched, uniserate, mulicellular bulbous base with pointed tips were reported . Oval, rounded, triangular shaped silica bodies were observed in some species. It is concluded that qualitative and quantitative anatomical variations in epidermal cells, stomata and trichomes are of good taxonomic value for the studied Fabaceae species.

中文翻译:

巴基斯坦拉合尔地区三十种地方性豆科植物的光学和扫描电子显微镜特征。

在本研究中,在光学和扫描电子显微镜下对巴基斯坦拉合尔特有的 30 种豆科植物进行了解剖学表征。研究了各种定性和定量解剖特征,如表皮细胞形状和大小、气孔类型、保卫细胞的长度和宽度、辅助细胞、毛状体、二氧化硅体、形状及其数量。除了Dalbergia sisso Roxb 报道了六边形表皮细胞外,在背面和正面都观察到了整体多边形、不规则光滑、厚壁的表皮细胞。Milletia ovelifolia Kurz。拥有最大长度的表皮细胞,即 273.1 μm,而Calliandra bella底。显示出最小的长度,即 76.5 μm。表皮细胞的平均宽度范围为 44 至 265.5 μm。M. ovelifolia Kurz 的宽度最大,而Acacia nilotica L. 的宽度最小。在正面表皮细胞长度范围为 317 至 46.4 μm 中,Glycyrriza glabra L. 表现出最小的长度,而Prosopis juliflora直流。长度最大。与背面相比,正面的气孔数量较高,主要观察到副细胞、异细胞和单细胞气孔。在研究成员的毛状体中观察到的变化不大。据报道,一般无腺、不分枝、单列、多细胞球根状基部,具有尖头。在一些物种中观察到椭圆形、圆形、三角形的二氧化硅体。得出的结论是,表皮细胞、气孔和毛状体的定性和定量解剖变异对所研究的豆科物种具有良好的分类学价值。
更新日期:2020-09-01
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