A Morphologically Distinct Ecotype of Dactylis glomerata L.


PLANTS of Dactylis, both diploid and tetraploid, from the Mediterranean region can be included on purely morphological grounds within the limits of Dactylis glomerata ssp. hispanica (Roth) Nym. There is only one constant feature of this taxon, described by Domin1 as follows: “the typical ssp. hispanica in one form or another has lemmas divided into two blunt lobes from the middle of which grows a very short awn, or a mere point, which sometimes does not even reach the size of an awn; sometimes the lobes are pointed”. Many Mediterranean populations of this broad type have now been studied at Aberystwyth, and among them a form of particular morphological interest has been found.

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  1. 1

    Domin, K., Acta Bot. Bohem., 14, 131 (1942).

  2. 2

    Rebischung, J., Ann. Amél. Pl., 3, 346 (1953).

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BORRILL, M. A Morphologically Distinct Ecotype of Dactylis glomerata L.. Nature 179, 544–545 (1957) doi:10.1038/179544a0

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