Pyrus pyraster v Československu

Jiří Dostálek sen. 1

Affiliations

  1. Botanický ústav ČSAV, 252 43 Průhonice, Československo
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Abstract

Pyrus pyraster (L.) Burgsd. occurs in three varieties in Czechoslovakia: var. pyraster, var. tomentosa (Koch) Dostálek, and var. relicta Dostálek. The cause of variability, origin of varieties, hybrid and cultural forms as well as the relation of P. pyraster to P. communis L. emend. Burgsd. are discussed.

Keywords

Pyrus pyraster, Czechoslovakia, taxonomy

How to cite

Dostálek J. sen. (1991) Pyrus pyraster v Československu. – Preslia 63: 113–118