Leaf Epidermal Anatomy of Some Crotalaria L. (Fabaceae) Species in Thailand
Keywords:
Crotalarieae, Leguminosae, species pairs, taxonomyAbstract
The leaf epidermal anatomy of 23 Crotalaria species was studied. The leaf epidermis was prepared by peeling and clearing methods and observed by a light microscope. The results of the leaf epidermis showed that the shape of an epidermal cell is polygonal, irregular or jigsaw-like and the anticlinal wall is straight, curved or undulated. There are two stomatal types: anomocytic and anisocytic, while the trichome is uniseriate. The papillae are presented in C. acicularis. The leaf epidermal anatomical characteristics cannot be used for species identification, however the shape and anticlinal wall of the epidermal cell and the presence of trichomes can be used to determine species pairs.
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