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espanolSe examino la micromorfologia y la fitoquimica cuantitativa de J. integerrima y J. podagrica para para identificar caracteres utiles para la delimitacion taxonomica, siguiendo protocolos estandarizados, descritos por autores anteriores. Ambas especies son hiposto- micas (paraciticas). Los tricomas (multicelulares, no glandulares) estaban presentes solo en la superficie adaxial de J. integerrrima y ausentes en otras superficies epidermicas. Los analisis fitoquimos tambien senalaron pequenas diferencias en la cantidad de compuestos bioactivos presentes en ambas especies. El contenido de fenol es el mayoritario en ambas especies: 37.65% en J. integerrima y 36.13% en J. podagrica. Las semejanzas y diferencias de los caracteres epidermico-foliares y contenidos fitoquimicos pueden ser empleadas para delimitar taxonomicamente ambas especies. EnglishThe leaf micro-morphology and quantitative phytochemistry of J. integerrima and J. podagrica were examined to find useful characters for the delimitation of taxa, following standard protocols as described by previous authors. Both species are hypostomatic (paracytic). Trichome (multicellular, non-glandular) are only present on the adaxial surface of J. integerrima and absent in other epidermal surfaces. Phytochemical analysis also showed little differences in the amount of bioactive compounds present in both species. Phenol contents are the highest in the two species: 37.65% in J. integerrima and 36.13% in J. podagrica. The similarities and differences in the foliar epidermal characters and phytochemical content can be used to delimit the two studies species, as taxonomic characters.

anales de biología

Taxonomic value of the leaf micro-morphology and quantitative phytochemistry of Jatropha integerrima Jacq. and Jatropha podagrica Hook. (Euphorbiaceae) – known horticultural plants in Nigeria