ANATOMY OF PSILOTUM NUDAM – A REASSESSMENT
B. D. SHARMA *
Department of Botany, University of Jodhpur, Jodhpur 342001
P. VANGANI *
Department of Botany, University of Jodhpur, Jodhpur 342001
*Author to whom correspondence should be addressed.
Abstract
Description is given of the anatomy of Psilotum nudum collected from Pachmarhi (MP), India. The rhizome possesses a protostele with little differentiated mesarch protoxylem points. In aerial green part of the plant sclerenchyma develops in the stele with distinct exarch protoxylempoints. Phlobaphene is present in rhizome, basal portion of aerial part and also develops at the point of dichotomy. A reconstruction of the anatomy as seen in longitudinal section is attempted.
Keywords: Psilotum nudum, Rhizome anatomy