J Integr Plant Biol. ›› 1983, Vol. 25 ›› Issue (6): -.

• Research Articles •    

Morphological and Anatomical Observations of Clasping Leaves of Tamarix L.

Zhai Shi-hong, Wang Chang-gui and Gao Xin-zeng   

Abstract: This paper deals with some morphological and anatomical adaptabilities of clasping leaves of 13 species of Tamarix L. in China. These xeromorphic leaves posses some conspicuous characteristics as follows: 1 ) The ratio of the leaf surface area to its volume is low; 2) The numerous, small stomata are deeply sinked in the surface of the epidermis; 3) The palisade tissue is only found in the abaxial part and the spongy tissue in the adaxial part, which are quite different from most of the dorsivcntral leaves; 4) The upper epidermis of these leaves is extended a different degree into the epidermis of stem. These characteristics may be considered as an expression of xeric habits resulting from desert adaption.

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