The distribution and density of the eglandular and glandular trichomes provide information of taxonomical significance.
Tulay AYTAS AKCIN, Adnan AKCIN 2017, 'Anatomy and Micromorphology of Inula helenium subsp. orgyalis and I. ensifolia (Asteraceae)from Turkey', Notulae Scientia Biologicaehttp://www.notulaebiologicae.ro/index.php/nsb/article/view/9950. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Glandular trichomes are restricted to the lower surface while eglandular trichomes are observed on all vegetative and reproductive organs.
Tom Jose, Jayant A. Inamdar 2014, 'Structure and development of extrafloral nectaries and trichomes in Macaranga peltata(Roxb.) Muell. Arg. (Euphorbiaceae)', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/2937. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both glandular and eglandular trichomes were observed, the former comprising both sessile, peltate glands and stalked glands of various lengths.
K. Immelman 1990, 'Studies in the southern African species of Justicia and Siphonoglossa(Acanthaceae): indumentum', Bothalia: African Biodiversity & Conservationhttps://abcjournal.org/index.php/abc/article/view/894. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The observed features of the eglandular hairs underline their diversity, the analysis focusing on aspects concerning the stellate type.
Camelia IFRIM, Iuliana GAŢU 2015, 'MORPHOLOGICAL FEATURES CONCERNING EPIDERMAL APPENDAGES ON SOME SPECIES OF THE SOLANUMGENUS', Journal of Plant Developmenthttp://www.plant-journal.uaic.ro/docs/2015/1.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Five variables were selected: number of epidermal cells, stomata, glandular and eglandular trichomes and stomatal index.
Natalia Delbón, María Teresa Cosa, Nilda Dottori, Laura Stiefkens 2007, 'Análisis comparativo de los caracteres epidérmicos en Flourensia campestris y F. oolepis(Asteraceae) Comparative analysis of the epidermal characters in Flourensia campestrisand F. oolepis (Asteraceae)', Boletín de la Sociedad Argentina de Botánicahttp://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722007000200011. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)