ECONOMIC BOTANY MANOJ KUMAR SHARMA Ph.D., F.L.S. (London) J.V. College, Baraut An ISO 9001:2008 Certified Company 2/25, Ansari Road, Darya Ganj-110 002 ECONOMIC BOTANY Copyright © VAYU EDUCATION OF INDIA ISBN: 978-93-83137-46-6 First Edition: 2013 Rs. 300/- All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the Publishers. Laser Typesetting : Upasana Graphics, New Delhi Published by: VAYU EDUCATION OF INDIA 2/25, Ansari Road, Darya Ganj, New Delhi-110 002 Ph.: 91-11-43526600, 41564445 Fax: 91-11-41564440 E-mail:
[email protected],
[email protected] Web: www.veiindia.com PREFACE The field of applied science, dealing with the practical or economic aspects of a subject, lends itself much better to such treatment than does the field of pure science. This is particularly true of botany. From earliest time plants have been intimately bound up with human existence. Not only have they played an important part in the everyday life of mankind, but they have had a profound influence on the course of history and civilization. Aknowledge of the industrial, medicinal, and edible plants cannot fail to broaden one’s outlook. First of all I thank to almighty for giving me strength for this noble cause. My respectful thank to Dr. Y. S. Tomar, Dr. Sudhir Kumar, Dr. Baljeet Singh, Dr.S. P. Singh, Dr. A. K. Sharma, Dr. Rajeshwari Sharma, Dr.