Hypericum dubium Leers - a new species of the Czech flora

Pavol Mártonfi 1 , Jaroslav Michálek 2 , Jiří Hadinec 3 , Lenka Mártonfiová 4 & Miroslav Repčák 1

Affiliations

  1. Department of Experimental Botany and Genetics, Faculty of Science, P. J. Šafárik University, Manesova 23, SK-04154 Košice, Slovak Republic
  2. Regional Museum, Zámecká 1, CZ-356 01 Sokolov, Czech Republic
  3. Department of Botany, Faculty of Science, Charles University, Benátská 2, CZ-128 01 Praha 2, Czech Republic
  4. Botanical Garden, P. J. Šafárik University, Mánesova 23, SK-04352 Košice, Slovak Republic
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Abstract

A new species of the Czech flora, Hypericum dubium Leers (= H. maculatum subsp. obtusiusculum (Tourlet) Hayek) was found in the Doupovské hory Mts., in the northwest of the Czech Republic. Besides morphological description, karyological (2n = 32), chemical and chorological data (especially for the Czech Republic and Hungary) are given. The find means a shifting of species distribution limits eastwards north from 50° of the northern latitude.

Keywords

Hypericaceae, Hypericum dubium, Czech Republic

How to cite

Mártonfi P., Michálek J., Hadinec J., Mártonfiová L. & Repčák M. (1999) Hypericum dubium Leers - a new species of the Czech flora. – Preslia 71: 337–348