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Occurrence of Perforated Ray Cells in the Wood of Drypetes Roxburghii (Wall.) Hurusawa

Occurrence of Perforated Ray Cells in the Wood of Drypetes Roxburghii (Wall.) Hurusawa lAW A Bulletin n.s., Vol. 2 (4), 1981 OCCURRENCE OF PERFORATED RAY CELLS IN THE WOOD OF DRYPETES ROXBURGHII (WALL.) HURUSAWA* by Nazma**, B. Sundarsivarao and R. Vijendrarao,*** Andhra University, Waltair, India Summary Anatomical features of the wood of Drypetes ed micropreparations of transverse, radiallongi­ tudinal and tangential longitudinal sections of roxburghii (Wall.) Hurusawa, Euphorbiaceae are described in detail. Occurrence of ray cells 20/lm were prepared from the wood according with scalariform perforations is reported for to conventional methods. Measurements of cell lengths were carried out from macerated mate­ the first time in this taxon. This study supports the inclusion of Drypetes in the Aporosa type rial (Schultze's method) with the help of a cali­ of the Phyllanthoideae, Le., in accordance with brated ocular micrometer. Mean value of fifty measurements for each quantitative character the classification of the genera of Euphorbia­ ceae on anatomical grounds by Metcalfe and along with the most frequent range (mfr) is Chalk (1950). Inclusion of this species by given. Diagnostic characters and terminologies Hurusawa (1954) and Webster (1967) in Dry­ employed in describing the wood are in accor­ petes, is also supported. dance with Chalk and Chattaway (1933, 1934), Kribs (1935, 1937), Tippo (1945), http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png IAWA Journal Brill

Occurrence of Perforated Ray Cells in the Wood of Drypetes Roxburghii (Wall.) Hurusawa

Nazma,; Sundarsivarao, B.; Vijendrarao, R.
IAWA Journal , Volume 2 (4): 3 – Jan 1, 1981
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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0928-1541
eISSN
2294-1932
DOI
10.1163/22941932-90000734
Publisher site
See Article on Publisher Site

Abstract

lAW A Bulletin n.s., Vol. 2 (4), 1981 OCCURRENCE OF PERFORATED RAY CELLS IN THE WOOD OF DRYPETES ROXBURGHII (WALL.) HURUSAWA* by Nazma**, B. Sundarsivarao and R. Vijendrarao,*** Andhra University, Waltair, India Summary Anatomical features of the wood of Drypetes ed micropreparations of transverse, radiallongi­ tudinal and tangential longitudinal sections of roxburghii (Wall.) Hurusawa, Euphorbiaceae are described in detail. Occurrence of ray cells 20/lm were prepared from the wood according with scalariform perforations is reported for to conventional methods. Measurements of cell lengths were carried out from macerated mate­ the first time in this taxon. This study supports the inclusion of Drypetes in the Aporosa type rial (Schultze's method) with the help of a cali­ of the Phyllanthoideae, Le., in accordance with brated ocular micrometer. Mean value of fifty measurements for each quantitative character the classification of the genera of Euphorbia­ ceae on anatomical grounds by Metcalfe and along with the most frequent range (mfr) is Chalk (1950). Inclusion of this species by given. Diagnostic characters and terminologies Hurusawa (1954) and Webster (1967) in Dry­ employed in describing the wood are in accor­ petes, is also supported. dance with Chalk and Chattaway (1933, 1934), Kribs (1935, 1937), Tippo (1945),

Journal

IAWA Journal – Brill

Published: Jan 1, 1981

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