Le complexe polyploïde de l'hippocrepis comosaL. I. La mitose

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Abstract
A polyploid complex was found inside the species H. comosa L., including 3 levels of ploidy 2n = 2x = 14, 2n = 4x = 28 and 2n = 6x = 42. A karyological study showed that chromosome morphology was the same in the 3 chromosome races and resembled that of the other species of the genus. The distribution of the 3 races was very different: the area of the tetraploids covered that of the whole species, the area of the diploids was disjunct and small, and the hexaploids lived only in the central part of the Pyrenees mountains, [France Spain]. Morphological variability and ecological plasticity were of larger amplitude in tetraploids but were independent of the existence of chromosomic races for the species as a whole.