パレイシヨ近縁種における種の分化に関する研究 第7報 : S. demissum × S.chacoense の4倍性及び5倍性雑種の形態分析

摘要

Morphological analysis was made in both of the tetra- and the pentaploid F_1 hybrids from S. demissum (6x)×S. chacoense (2x), in comparison with their parent species. The pentaploid hybrids were found to have much more resemblance than in the other hybrid