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概要

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Adoxa moschatellina is revised from the standpoint of floral morphology and anatomy. A new interpretation is given for the flower of Adoxa, considering the systematic position of it. The ancestral form of the lateral flower is suggested here to be 3-merous. The flower having three calyx-lobes and five corolla-lobes seems to have been derived from typically 3-merous flower by the reduction of a pair of posterior stamens and the fusion of two posterior corolla-lobes. The lateral flower is regarded as 3-merous, and the terminal one as 2-merous. The flower of Adoxa shows peculiar floral diagram, where are two corolla-lobes between the calyx-lobes. The relationship between Adoxa and Sambucus, Chrysosplenium, or Panax is discussed briefly in relation to the above speculation.
日本植物分類学会の論文
1974-09-30