Contribucio?n al estudio morfolo?gico y anato?mico en miculas de Mentha L. y Preslia Opiz (Latniacecte) de lo Peni?nsula Ibe?rica.
DOI:
https://doi.org/10.24310/abm.v28i0.7266Abstract
RESUMEN. Contribución al estudio morfológico y anatómico en miculas de Mentha L. y Preslia Opiz (Latniacecte) de lo Península Ibérica. Se estudia la micromorfología y anatomía de núculas de tres especies de Mentha (M. aquatica L, M. suaveolens Ehrh., M. pulegium L.) y de Preslia cervina (L.) Fresen, tanto al microscopio óptico (M.O.) como al microscopio electrónico de barrido (M.E.B.). Desde un punto de vista morfológico, la diferencia principal entre ambos géneros ha sido la ornamentación de las núculas, siendo más o menos reticulada en Mentha y rugosa en Preslia. Anatómicamente, hay que destacar cl grosor del pericarpo, que es bastante menor en Preslia. No obstante, el conjunto de caracteres estudiados pone de manifiesto la afinidad de estos géneros. Por último, se comenta brevemente los sistemas de dispersión más frecuentes en estos géneros.
Palabras clave. Núcula, morfología, anatomía, mucílago, Mentha, Preslia, Lamiaceae, Península Ibérica.
ABSTRACT. Contribution to morphological and anatomical studies on nut/es of Mentha L. and Preslia Opiz (Lamiaceae) from the Iberia'? Peninsula. A morphological and anatomical study on nutlets of three species of Mentha (M. aquatica L, M. suaveolens Ehrh., M. pulegium L.) and Preslia cervina (L.) Fresen, was carried out using light and scanning electron microscopy. From a morphological point of view the main difference between both genera has been the nutlets' ornamentation, being more or less reticulate in Mentha and rugose in Preslia. Anatomically, the pericarp thickness stands out, which is fairly thinner in Preslia. However, whole characters studied point out the relationship of these genera. Lastly, the usual dispersal systems between these genera are discussed briefly.
Key words. Nutlet, morphology, anatomy, mucilage, Mentha, Preslia, Lamiaceae, Iberian Peninsula.
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