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The Anatomy of PalmsArecaceae - Palmae$
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P. Barry Tomlinson, James W. Horn, and Jack B. Fisher

Print publication date: 2011

Print ISBN-13: 9780199558926

Published to Oxford Scholarship Online: May 2015

DOI: 10.1093/acprof:osobl/9780199558926.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 17 January 2022

Leaf Lamina

Leaf Lamina

(p.17) Chapter 3 Leaf Lamina
The Anatomy of Palms

P. Barry Tomlinson

James W. Horn

Jack B. Fisher

Oxford University Press

The palm leaf is a complex expression of diversity within a single organ, related to the primary function of photosynthesis. Complexity arises as a consequence of the frequent large size and longevity of palm leaves. The palm leaf also has an unusual method of blade development because an initially simple, undissected structure becomes compound. This chapter discusses the following: the basic construction the palm leaf, size and shape, petiole length, leaf sheath, and lamina anatomy (lamina symmetry, epidermis, cuticle and wax, trichomes, the stomatal complex, hypodermis, expansion cells, mesophyll, fibre bundles, vascular bundles and ribs, longitudinal veins, transverse veins, and ribs).

Keywords:   palms, palm leaf, vegetative anatomy, leaf construction, blade development, lamina anatomy, petiole, leaf sheath

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