Stomata in Bignonia (dicots)

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Bignonia chamberlaynii Sims

Structure and ontogeny of foliar nectaries and stomata in Bignonia chamberlaynii Sims

by Inamdar J. A. (1969)

in Proceedings of the Indian Academy of Sciences – Section B – November 1969, Volume 70, Issue 5, pp 232-240 – 

http://link.springer.com/article/10.1007%2FBF03052229 

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Abstract

The present paper describes the distribution, structure, ontogeny, function of foliar nectaries and structure and ontogeny of stomata in Bignonia chamberlaynii Sims. The mature nectaries are patelliform and originate from a single papillate epidermal cell. They consist of 1-layered base (foot), 2-layered stalk and 1-2-layered palisade-like epithelial cells which secrete sugary fluid.

Tha mature stomata are anisocytic, anomocytic, paracytic, perigenous (tetracytic and amphicyclic), with a single subsidiary cell.

The ontogeny of anisocytic, paracytic and stomata with a single subsidiary cell conforms to the mesogenous type, while that of the anomocytic, tetracytic and amphicyclic ones is perigenous.

Abnormalities noticed here are contiguous (juxtaposed and superposed) stomata, stomata with a single guard cell and aborted guard cells.

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See the text: Springer

 

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Published by

Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.

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