한국산 가지과의 종자 비교형태 = Comparative seed morphology of Solanaceae in Korea

국문 초록 (Abstract)

한국산 가지과 12속 22분류군의 종자 특징을 해부현미경과 주사전자현미경을 통하여 관찰하고 자세히 기재하였다. 연구된 분류군의 종자 색깔은 노란색에서 검정색까지 관찰되며, 종자 형태는 신장형에서 원형까지 나타났다. 종자 크기는 길이 0.56−4.29 mm, 폭 0.38−3.20 mm로, Datural metel이 가장 크고 Petunia hybrida가 가장 작았다. 종자의 표면무늬는 세 가지 유형으로 과립형, 과립상-망상형, 망상형이 나타났다. 수층벽의 유형은 파상형과 직선형으로 관찰되었다. 대부분의 분류군은 파상형을 갖고, Datura속, Petunia속, Scopolia속에서는 직선형만 관찰되었으며, Nicandra physalodes는 직선형과 파상형을 모두 갖는다. Solanum속 내 일부 분류군에서는 종자의 수층벽 상단부위에 모용처럼 보이는 섬유소가 관찰되었다(S. japonense, S. lyratum, S. lycopersicum). 한국산 가지과에 대한 종자의 형태학적 형질을 속별로 기재하였고, 그 분류학적 유용성에 대해 논의하였다.

다국어 초록 (Multilingual Abstract)

The seed morphology of 22 taxa (12 genera) of Solanaceae in Korea was studied by stereo and scanning electron microscopy, and a detailed description of seed morphological features for all examined taxa is provided. The color of the seed is yellow to black, and the shape is reniform to circular. Its size is 0.56−4.29 mm in length and 0.38−3.20 mm in width. The largest sample was found in Datural metel, while the smallest was in Petunia hybrida. Three different surface types (verrucate, verrucate-reticulate, and reticulate) were recognized in the studied taxa. The top of the anticlinal wall produces appendages known as ‘fibrils’. This projection of anticlinal wall was found to be specific to the genus Solanum (S. japonense, S. lyratum, and S. lycopersicum). The morphological features (seed shape, size, color, hilum shape, surface type, and fibrils) of the family Solanaceae in Korea are described and their systematic implications are briefly discussed.

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