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JEANETTE MARA P. TAN
Institute of Biological Sciences, College of Arts and Sciences, University of the Philippines Los Baños. College, Batong Malake, Laguna 4031, Philippines
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Anatomical examination of the petiole of eupolypods I (Polypodiales) JEANETTE MARA P. TAN; MARIA CELESTE BANATICLA-HILARIO; PASTOR MALABRIGO; MARJORIE DELOS ANGELES; INOCENCIO E. BUOT, JR.
Biodiversitas Journal of Biological Diversity Vol. 21 No. 5 (2020)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d210501

Abstract

Abstract. Tan JMP, Banaticla-Hilario MC, Malabrigo P, Angeles MD, JR Buot IE. 2020. Anatomical examination of the petiole of eupolypods I (Polypodiales). Biodiversitas 21: 1767-1777. The efficiency of petiole anatomy characters in identifying and describing the species and families of eupolypods I (Polypodiales) were explored. Specimens of 21 species, representing 13 genera and nine families were collected and processed in the laboratory, following proper dehydration and staining protocols. Transverse sections of the basal, median, and distal portions of the petiole were examined, photographed and analyzed. The results showed five taxonomically significant characters that can serve as family markers: (i) xylem shape, (ii) vascular bundle shape, (iii) number of vascular bundles, (iv) presence and absence of circumendodermal band, and (v) presence and absence of adaxial grooves. Based on these characters, a taxonomic key to the families of eupolypods I was constructed.
Co-Authors INOCENCIO E. BUOT, JR. MARIA CELESTE BANATICLA-HILARIO MARJORIE DELOS ANGELES PASTOR MALABRIGO