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Title: Analysis of three microscopic characters for separating the wood of Pinus contorta and P. ponderosa

Source: IAWA journal. Vol. 24, no. 3 (2003): Pages 257-267

Author(s)Wiedenhoeft, Alex C.; Miller, Regis B.; Theim, Terra J.

Publication Year: 2003  View PDF »

Category: Journal Articles

Abstract: Three microscopic characters were evaluated for the identification of Pinus contorta and Pinus ponderosa. The tangential diameter of the resin canals, including the epithelium, was compared to the tangential diameter of the entire resin canal complex. The latter measurement was shown to give diagnostic results for these species. Data from the examination of ray composition do not support previously published methods for separating P. contorta and P. ponderosa. The presence or absence of small elongate crystals in the subsidiary parenchyma of the resin canal complexes was shown to be the most powerful diagnostic character for separating the wood of these species.

Keywords: Resin canal, wood anatomy, wood identification, Pinus contorta, Pinus ponderosa

File size: 187 kb(s)

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RITS Product ID: 21560
Current FPL Scientist associated with this product
Wiedenhoeft, Alex C.
Research Botanist

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