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Stipules are the principal photosynthetic organs in the papilionoid species Lathyrus aphaca

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Title Stipules are the principal photosynthetic organs in the papilionoid species Lathyrus aphaca
 
Creator Sharma, Vishakha
Kumar, Sushil
 
Subject Lathyrus aphaca
Photosynthetic stipules
Stipular mesophyll
Stipular stomata
Stipular vasculature
 
Description Accepted date: 24 January 2012
Occurrence of stipules of different shapes, sizes and varying configurations, has been reported in species of many angiosperm families. However, the functions of stipules in the biology of plants that carry them remain to be understood. There is perception that stipules that have the green coloration of chlorophyll are photosynthetically active. Here, total photosynthesis in the stipules and leaves of Lathyrus aphaca was investigated, together with the nature of heteroblasty and relative morphology and anatomy of stipules and leaves in this species. At each of the hundreds of nodes in the extensively branched post-flowering stage plants of L. aphaca, more than 95 % of photosynthesis occurred in the foliaceous stipules. The leaves in the form of simple tendrils at the nodes accounted for
Grateful thanks are for the Director NIPGR for
facilities, Indian National Science Academy and Council of Scientific
and Industrial Research for grant of schemes to SK, SKA Institution
for Research, Education and Development for postgraduate fellowship support of AS and to A. K. Sinha for his help in the photosynthesis measurements. The field assistance provided by Vinod kumar is
also thankfully acknowledged.
 
Date 2015-10-29T09:18:30Z
2015-10-29T09:18:30Z
2012
 
Type Article
 
Identifier National Academy of Science Letters, 35(2): 75-78
2250-1754
http://link.springer.com/article/10.1007%2Fs40009-012-0031-0
http://172.16.0.77:8080/jspui/handle/123456789/283
 
Language en_US
 
Publisher National Acadmey of Sciences, INDIA