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All Journal Jurnal Riset Biologi dan Aplikasinya
Rifqi Hariri, Muhammad
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology

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Journal : Jurnal Riset Biologi dan Aplikasinya

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Investigating the Taxonomic Value of Leaf Architecture in Ixora and Psychotria (Rubiaceae) Found in the Bogor Botanic Gardens’ Living Collections Larasati, Winda; Kusumarini, Niken; Farhatul Wahida, Baiq; Nurul Zulkarnaen, Rizmoon; Rifqi Hariri, Muhammad
Jurnal Riset Biologi dan Aplikasinya Vol. 6 No. 1 (2024)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrba.v6n1.p12-19

Abstract

Ixora and Psychotria are two distinct genera within the Rubiaceae family found at the Bogor Botanic Gardens. Despite taxonomic differences at the genus and subfamily levels, these plants share certain characteristics that necessitate identifying similarities. This study aims to identify resemblances between Ixora and Psychotria by examining their leaf architecture and evaluating significant morphological characteristics across recognized variables. The data analysis objective is to identify commonalities in leaf architecture and key distinguishing characteristics. Species under investigation include Ixora javanica (Blume) DC., Ixora paludosa (Blume) Kurz, Ixora coccinea L., Ixora chinensis Lam., Psychotria angulata Korth., and P. viridiflora Reinw. ex Blume. Thirteen characters were used to identify shared traits and influential features. Research findings showed both Ixora and Psychotria exhibit various characteristics. Cluster analysis indicated strong correlation among subjects under investigation, primarily due to shared characteristics. Distinguishing features significantly contributing to differentiation are leaf abaxial surface color and leaf base morphology. It can be concluded that abaxial leaf surface color holds potential as a distinguishing characteristic for Ixora, while leaf base exhibits distinguishing features for Psychotria.
Co-Authors Farhatul Wahida, Baiq Larasati, Winda Niken Kusumarini, Niken Nurul Zulkarnaen, Rizmoon