Karyosystematic Notes on the Galium Palustre‐group (Rubiaceae)

Abstract

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Cytotaxonomic Studies on Galium Palustre L. Morphological Differentiation of Diploids, Tetraploids and Octoploids

“…We agree with the opinion of EHRENDORFER et al (1976) andTEPPNER et al (1976) that Galium debile is a well delimited species. Its morphology varies and particularly the vegetative characters may be strongly influenced by the environment (HANCOCK 1942;KLIPHUIS 1984).…”

Variation in Galium palustre s. lat. in the Baltic land‐uplift area

“…In "Flora Europaea" (Ehrendorfer & Puff 1976) it is said that the octoploid has a stout, weak and diffuse stem, while the diploid has a slender, procumbent to erect stem. This is in accordance with our observations in that the diploids more often are procumbent than erect.…”

“…is a perennial herb which reproduces both sexually and vegetatively with the aid of runners. Ehrendorfer & Puff 1976;Teppner et al 1976). Other authors have regarded the cytotypes as subspecies of G .…”

“…Tetraploids are known from England, the northwest parts of the Iberian Peninsula and the southeast of Europe (Kliphuis 1974(Kliphuis , 1983(Kliphuis , 1986. Dodecaploids are only known from two localities (one in Austria and the other in Turkey) (Teppner et al 1976). …”

“…have been performed (Kliphuis 1962(Kliphuis , 1974(Kliphuis , 1983(Kliphuis , 1984(Kliphuis , 1986Puff 1974Puff , 1975Teppner et al 1976, Donneaux 1981Kliphuis et al 1986). These studies have foremost treated the morphological variation, but also the origin of and the relationship between the cytotypes have been discussed.…”