Studies on the chemical identification of Quercus wood (II) . On subgenera Lepidobalanus and Cyclobalanopsis

Kishimoto, J.; Kitamura, R.

Bulletin of the Tottori University Forests 6: 77-83


Accession: 000206413

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In a further study [cf. FA 31, 1368], analyses of the ultra-violet and infra-red absorption spectra of hot-water, ethyl-acetate and ethyl-ether heartwood extracts of 13 Quercus spp. showed that these Oaks could be divided into four main groups, viz. (a) Q. serrata, Q. crispula, Q. aliena, Q. dentata and Q. phillyraeoides, (b) Q. acutissima and Q. variabilis, (c) Q. stenophylla, Q. glauca and Q. myrsinaefolia, and (d) Q. gilva, Q. acuta and Q. paucidentata. Of these groups (a) and (b) are conventionally assigned to the subgenus Lepidobalanus and (c) and (d) to Cyclobalanopsis. It is noted that the wood characteristics of section Ilex, represented here by Q. phillyraeoides, resemble those typical of Cyclobalanopsis species rather than of Lepidobalanus species. The tables and figures have English captions.