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Science 299 (5611): 1328-1329

Copyright © 2003 by the American Association for the Advancement of Science

Leaf Development Takes Shape

J. R. McConnell and M. K. Barton

The flat shape of most leaves enables them to capture sunlight for photosynthesis more efficiently. But how do leaves develop their flat shape? In their Perspective, McConnell and Barton discuss new work (Nath et al.) that reveals how the differential expression of certain genes within developing leaves of the snapdragon makes these leaves flat.

The authors are in the Department of Plant Biology, Carnegie Institution of Washington, Stanford, CA 94305, USA. E-mail: barton{at}

The Mathematical Treatment of Leaf Venation: the Variation in Secondary Vein Length along the Midrib.
R. F. BURTON (2004)
Ann. Bot. 93, 149-156
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