Leaf morphological traitsof Orophea spp. (Annonaceae): living collections of Purwodadi Botanic Gardens, East Java, Indonesia

Dewi, Ayu Lestari and Abban, Putri Fiqa and Ilham, Kurnia Abiwijaya (2021) Leaf morphological traitsof Orophea spp. (Annonaceae): living collections of Purwodadi Botanic Gardens, East Java, Indonesia. Biodiversitas, 22 (6). pp. 3403-3411. ISSN 2085-4722

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Orophea (Annonaceae) have various benefits and play important roles in lowland forest structures. Due to their importance, various Orophea species currently require identification for research and conservation purposes. One of many important variables for such purpose is leaf morphometrical features. This study aimed to investigate leaf morphometrical variations, measure morphometrical similarities, and identify determinant morphometrical traits for species identification in Orophea spp. As many as 23living plant specimens of Orophea spp. cultivated in Purwodadi Botanic Gardens (belongs to 4 species: Orophea celebica, O. chlorantha, O. enneandra, O. hexandra and an unidentified Orophea sp.) were observed. Twelve measured leaf morphometrical traits in this study were leaf length and width, petiole length, distance from leaf base to the widest part of the leaf, number of secondary veins, apex and base shape, leaf area, length of leaf margin, length to width ratio, leaf roundness and slimness indices. Data were analyzed using multiple one-way ANOVA, Hierarchical Cluster and Principal Component Analyses from within R. The results highlighted that O. hexandra was the most distinguishable species with number of secondary veins, length to width ratio, and leaf slimness as the most distinct characters. The unidentified species of Orophea sp. exhibited morphometrical characters similar to O. chlorantha. No distinct leaf morphometrical traits were able to be identified as determinant characters to each species.Thus, suggestingleaf morphological traits analyses to be used only as a supporting component for plant identification, while still paying attention to the plant’s generative characters.

Item Type: Article
Uncontrolled Keywords: Annonaceae, cluster analyses, identification, leaf morphometry, Orophea
Subjects: Medicine & Biology
Medicine & Biology > Botany
Divisions: OR_Hayati_dan_Lingkungan > Konservasi_Tumbuhan_Kebun_Raya_dan_Kehutanan
Depositing User: - Patmiati -
Date Deposited: 15 Mar 2023 00:37
Last Modified: 15 Mar 2023 00:37
URI: https://karya.brin.go.id/id/eprint/14925

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