Los tricomas foliares en la caracterización de un grupo de especies del género Quercus, sección Lobatae (Fagaceae)

Abstract

TRICHOME DISTRIBUTION ON THE ABAXIAL SURFACES OF MATURE LEAVES, ANDTRICHOME TYPES WERE EXAMINED UNDER SCANNING ELECTRON MICROSCOPE (SEM) FOR 25 QUERCUS (SECTION LOBATAE) SPECIES. TWO TRICHOME GROUPS WERE ESTABLISHED: GLANDULAR AND NONGLANDULAR. THE NON-GLANDULAR ONES ARE CLASSIFIED INTO FOUR TYPES: STIPITATE-FASCICULATE, SESSILE-FASCICULATE, MULTIRADIATE, AND STELLATE. THE STIPITATEFASCICULATE TYPE WAS MORE COMMONLY FOUND IN ALL EXAMINED SPECIES.