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Anatomía e histoquímica de Tarenaya hassleriana (Cleomaceae), especie de interés medicinal

Authors: Colares, Marta Noemí; Martinez Alonso, Santiago Manuel; Arambarri, Ana Maria;

Anatomía e histoquímica de Tarenaya hassleriana (Cleomaceae), especie de interés medicinal

Abstract

La decocción de la planta de Tarenaya hassleriana es utilizada en la región del Río de La Plata por sus propiedades como rubefaciente, digestiva, y antiescorbútica. El objetivo del estudio fue investigar caracteres de la hoja y tallo para identificar esta especie a partir de muestras enteras o fragmentadas. Se emplearon técnicas habituales de microscopia óptica y análisis histoquímico para identificar almidón, sustancias lipofílicas, fenólicas y mirosina. Los caracteres diagnósticos fueron: en la hoja, folíolos con venación eucamptódroma, con estomas anomocíticos presentes en ambas caras; tricomas glandulares uniseriados y pluriseriados, con cabezas unicelulares y pluricelulares conteniendo sustancias lipofílicas; mesofilo dorsiventral; en el tallo, la corteza primaria formada por varias capas de colénquima tangencial seguido de parénquima; el cilindro vascular secundario rodea la médula sólida, en cuyo parénquima se halló almidón, cristales poliédricos y esferocristales. Se detectaron idioblastos de mirosina en la epidermis y parénquimas de la hoja y el tallo. Los parámetros micrográficos descriptos garantizan una correcta identificación de T. hassleriana.

Plant decoction of Tarenaya hassleriana is used as a traditional medicine in the Río de La Plata area. It has rubefacient, digestive, and antiscorbutic properties. The aim of this study was to investigate leaf and stem microcharacters to identify this species from whole or fragmented samples. The usual techniques of optical microscopy were employed. Histochemical tests for starch, lipophilic substances, phenolic substances, and mirosina were used. The main differential traits were: leaflets with eucamptodromous venation, amphistomatic with anomocytic stomata type; uniseriate and pluriseriate glandular trichomes, with unicellular and pluricellular heads containing lipophilic substances; dorsiventral mesophyll; stem with a primary cortex formed by tangential collenchyma followed by parenchyma; the secondary vascular cylinder surrounding the pith with starch, polyhedral microcrystals and spherocrystals. Idioblast of myrosin were detected in the epidermis and parenchyma of leaves and stems. The micrographic parameters described ensure a correct identification of T. hassleriana.

Fil: Martinez Alonso, Santiago Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Agrarias y Forestales. Departamento de Ciencias Biológicas. Area de Botanica; Argentina

Fil: Colares, Marta Noemí. Universidad Nacional de la Plata. Facultad de Ciencias Agrarias y Forestales. Departamento de Ciencias Biológicas. Area de Botanica; Argentina

Fil: Arambarri, Ana Maria. Universidad Nacional de la Plata. Facultad de Ciencias Agrarias y Forestales. Departamento de Ciencias Biológicas. Area de Botanica; Argentina

Country
Argentina
Keywords

Tallo, Tarenaya Hassleriana, Hoja, https://purl.org/becyt/ford/1.6, Estructura, Hojas de la Planta, Tallos de la Planta, Ciencias Agrarias, https://purl.org/becyt/ford/1, histoquímica, Tarenaya hassleriana

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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