Morphology and Karyotype of Convallaria majalis (Liliaceae) in Korea

한국산 은방울꽃(Convallaria majalis)의 형태적 특징과 핵형분석

  • Published : 1999.09.01

Abstract

Morphology and karyotype of Korean Convallaria majalis plants were observed for taxonomic studies. Most plants produced two leaves (70%) and some one leaf (30%), but rarely three leaves. Plant length averaged 34.4 $\pm$ 4.6 cm. Percentage of plants bearing flowers was very low with 3.7% (n=1,346) in the field. Raceme usually grew below leaves and rarely grew over leaves. Plant beared five to ten flowers on a single raceme. Chromosomes were x=19 and diploidy with 2n=38. The chromosomes were composed of 13 pairs of median and 6 pairs of submedian chromosomes. The number of chromosome and karyotype of Korean C. majalis plant agree with those of Japanese and European plants.

한국산 은방울꽃의 형태와 핵형의 특징을 분석하고, 분류학적으로 검토하였다. 은방울꽃은 2엽식물이 70%, 1엽 식물이 30%로 출현하였으며, 3엽 식물은 매우 드물었다. 체장은 평균 34.4$\pm$4.6cm이고, 장타원형의 잎은 외엽보다 내엽이 좁고 길었다. 은방울꽃의 개화율은 조사된 식물 1,346개체 중에 평균 3.7%에 불과하였다. 화경은 대개 잎의 하부에 있으나, 드물게는 잎의 상부까지 자라기도 하였으며, 5~10개의 꽃이 총상화서를 이루었다. 염색체는 x=19, 2n=38로서 유럽산 또는 일본산 식물과 동일하였다. 상동염색체들은 13쌍의 중부염색체와 6쌍의 차중부염색체로 구분되었다.

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