PJB-2018-647
MORPHO-ANATOMICAL STUDIES OF MONOTHECA BUXIFOLIA (FALC.) A. DC. (SAPOTACEAE)
Maryam Ehsan
Abstract
Morphological and anatomical studies of Monotheca buxifolia (Falc.) A. DC. (Sapotaceae) leaf, fruit, seed, stem bark and root bark were carried out in the present study. The simple bifacial leaf is covered by a single layer of upper epidermis followed by double layered palisade parenchyma with a ratio of 6.75± 0.5 to the epidermal cells. Lower epidermis is thoroughly furnished with simple and forked trichomes. The reticulate venation of leaf formed a vein islets number of 37.4±2.88 per mm2 and vein termination number of 35.4±1.8 per mm2. The stephanocytic stomata of leaf had a stomatal density of 77.4±3.57 per mm2 on lower epidermis and 7.75± 0.97 on upper epidermis. Stomatal index of lower epidermis and upper epidermis was 10.53±0.40 and 5.39±0.33 respectively. The berry fruit of M. buxifolia has a single seed with ruminate endosperm and horizontally curved embryo. Stem and root bark show a characteristic arrangement of tissues. These features of M. buxifolia are important in tracing its taxonomic and phylogenetic affiliations, standardization and for pharmacognostic evaluation.
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