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A. Fridlender, F. Pustahija, Marija Edita, M. Bourge, N. Pech, S. Siljak-Yakovlev, S. Brown
4 2014.

Is it possible to identify Colchicum neapolitanum s.l. and C. autumnale s.l. in vegetative stage? Biometry and flow cytometry approaches

It is difficult to distinguish hysteranthous Colchicum species growing in Dalmatia and Bosnia and Herzegovina, even the two most common taxa (C. autumnale and C. neapolitanum subsp. visianii). There are no clear vegetative characteristics suitable for good identification of these species. The nuclear DNA values, however, reveal differences between these two species and also among other taxa. Genome size was studied for the first time in: C. hungaricum Janka (2C = 5.38 ± 0.3 pg); two Dalmatian endemics C. neapolitanum (Ten.) Ten. subsp. kochii (Parl.) Fridl. (2C = 10.9 ± 0.3 pg) and C. neapolitanum (Ten.) Ten. subsp. visianii (Parl.) Fridl. (2C = 10.41 ± 0.32 pg) and for Italian C. neapolitanum (Ten.) Ten. subsp. neapolitanum (2C = 10.0 ± 0.1 pg) endemic to Basilicata - Campania. Genome size of C. autumnale L. from Bosnia and Herzegovina (2C = 6.17 ± 0.31 pg) does not differ from other west European populations. Based on this important character and also on morphological studies, we propose taxonomic revision of some taxa. As genome sizes of the two generally confused species C. neapolitanum subsp. visianii and C. autumnale are very different, flow cytometry is useful for identification, conservation inventories and management concerning these two taxa.


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