Journal
PLANT SYSTEMATICS AND EVOLUTION
Volume 264, Issue 1-2, Pages 57-73Publisher
SPRINGER WIEN
DOI: 10.1007/s00606-006-0501-2
Keywords
Pinus uncinata; Pinus mugo; Pinus sylvestris; Pinus uliginosa; plant taxonomy; plant variation; biometrics; cone morphology
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Eight natural populations of Pinus uncinata Ramond from the Spanish Pyrenees, five of P. mugo Turra from the Carpathians, the Sudethians and Abruzzian Apennines, three of P. sylvestris L. from the Central-European Lowland and the Iberian Peninsula and one of P. uliginosa Neumann from SW Poland have been compared biometrically in 16 cone characters. P. uncinata appears the most distant from all other taxa, differing by having the largest and most asymmetric cones and the thickest apophyses with the most prominent umbo. In cone characters, P. mugo is more similar to P. sylvestris than to P. uncinata. Nevertheless, P. mugo and P. sylvestris remain distant from each other in a number of morphological characters examined. P. uliginosa has cones intermediate between the other three taxa and is moreover very variable. The locality of P. uliginosa in the Silesian Lowland may be of a relict character and conserve genes from P. uncinata.
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