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KMID : 0903619950360030384
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Journal of the Korean Society for Horticultural Science
1995 Volume.36 No. 3 p.384 ~ p.390
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Transformation of Gynoecial and Androecial Organs to Petaloids and Accessory Flowers in Hibiscus syriacus L .
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Abstract
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Anatomical and histological studies in double flowers of Hibiscus syriacus L. were conducted to define and understand the transformation processes of both stamens into petaloids and staminal column and pistils into other floral organs. The degree and shape of transformation of those stamens to petaloids were determined based on morphological characteristics of the stamens. In single flowers, basal stamens bore a single filament, and the distal stamens consisted of two serial half stamens. Staminal column was found to be tube-like fused adelphia in single flowers, but staminal column in proliferous flowers transformed into five free antepetalous axes or accessory flowers. The degree of petalification of pistils varied with cultivars.
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