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Korean J. Pl. Taxon > Volume 41(2); 2011 > Article
Korean Journal of Plant Taxonomy 2011;41(2): 103-107.
doi: https://doi.org/10.11110/kjpt.2011.41.2.103
가지과 Withania somnifera 의 종자 형질
, , 허권
Seed characteristics of Withania somnifera (Solanaceae)
Balkrishna Ghimire, Bimal Kumar Ghimire, Kweon Heo
Received: April 18, 2011   Accepted: May 18, 2011
Abstract
The seed characteristics of Withania somnifera were studied using light and scanning electron microscopy in order to determine the specific features of this species. The seed color is yellow, and the seed shape is reniform measuring between two to three millimeters. The seed of W. somnifera is exarillate and albuminous. The seed coat type is exotestal. The seed coat develops from a single integument. The young seed coat consists of single-layered exotesta, multi-layered mesotesta and single-layered endotesta. However, parenchymatous mesotesta layers are completely compressed at maturity. Therefore, the seed coat was represented by sclerenchymatous exotesta. The primary sculpture on the seed surface is reticulate, and cells are irregular in shape with undulating anticlinal walls. In addition, the seed surface has several characteristic holes between the anticlinal walls.
KeyWords: exotesta, sclerenchymatous cells, seed coat, Solanaceae, Withania somnifera
주요어: 외종피, 후벽세포, 종피, 가지과
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