Seed and seed coat morphology in monotypic and endemic genera of Korean angiosperms

IF 0.8 Q4 PLANT SCIENCES
Se-Moon Ahn, A. Kim, Kweon Heo
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引用次数: 0

Abstract

The basic information of ovule and seed characteristics was investigated for five monotypic and endemic genera in the Korean peninsula as categorized by the Flora of Korea category. The carpels and seeds were sectioned with a rotary microtome. Mature seeds were coated with platinum using an ion sputter and observed using a scanning electron microscope. As a result, Abeliophyllum was found to be anatropous and a unitegmic ovule, with a slightly colliculate seed surface and exotestal seed coat type. The ovule of Coreanomecon was anatropous and bitegmic, having a distinct echinate seed surface, and exo-endotestal seed coat type with a prismatic crystal in the mesotesta. The ovule of Hanabusaya was anatropous and a unitegmic, with a long reticulate seed surface sculpture, and distinct exotestal seed coat type. In addition, a wing developed at the opposite side of the raphe bundle. Megaleranthis was an anatropous and bitegmic ovule, having a small pentagonal disk shape, a concave seed surface and exotestal seed coat type. Finally, Pentactina was also anatropous and a unitegmic ovule, reticulate seed sculpture, and endotestal seed coat type. These data will be proving to be a source of good information for securing bio-sovereignty in the near future.
朝鲜被子植物单型属和特有属的种子和种皮形态
对朝鲜半岛5个单型属和特有属的胚珠和种子特征的基本信息进行了调查。用旋转切片机对心皮和种子进行切片。成熟的种子用离子溅射镀上铂,用扫描电子显微镜观察。结果表明,阿贝勒叶为倒生的单胚珠,种皮为外珠状,种表面微聚。胚珠倒生,双胚珠,种子表面有明显的棘刺,种皮为中胚皮的外胚皮,有棱柱状晶体。花菊胚珠倒生一体,种子表面有长网状雕刻,种皮类型明显。此外,在中缝束的另一侧发育了一个翅膀。megererthis是一个倒生和双胚珠,具有一个小五边形的圆盘形状,凹的种子表面和外睾丸种皮类型。最后,五角草属植物也是倒生型,属单胚珠型,网状种雕型,内胚层种皮型。在不久的将来,这些数据将被证明是确保生物主权的良好信息来源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
KOREAN JOURNAL OF PLANT TAXONOMY
KOREAN JOURNAL OF PLANT TAXONOMY Agricultural and Biological Sciences-Plant Science
CiteScore
1.50
自引率
40.00%
发文量
23
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