Tree Architecture Models of the Syzigium Genus Collection at the Purwodadi Botanical Gardens

Farhani Nurshafa  Rahmania; Bayu Agung  Prahardika; Rony Irawanto

doi:10.22146/jtbb.12144

Farhani Nurshafa Rahmania Biology Department, Faculty of Science and Technology, Islamic State University of Maulana Malik Ibrahim Malang. Jl. Gajayana 50 Dinoyo Lowokwaru Malang 65144, East Java, Indonesia; Master Program in Environmental Resource Management and Development, Postgraduate School, Brawijaya University, Jl. Veteran No.10-11, Ketawanggede, Kec. Lowokwaru, Kota Malang, Jawa Timur 65145 https://orcid.org/0009-0005-6107-6580
Bayu Agung Prahardika Biology Department, Faculty of Science and Technology, Islamic State University of Maulana Malik Ibrahim Malang. Jl. Gajayana 50 Dinoyo Lowokwaru Malang 65144, East Java, Indonesia. https://orcid.org/0009-0005-3734-4733
Rony Irawanto Center for Environmental Research and Clean Technology, National Research and Innovation Agency (BRIN). Jl. Raya Surabaya – Malang No. Km. 65 Sembung Lor Parerejo Purwodadi Pasuruan 67163, East Java, Indonesia https://orcid.org/0000-0002-2473-7221

DOI: https://doi.org/10.22146/jtbb.12144

Keywords: ecosystem function, Purwodadi Botanical Garden, Syzygium, tree architecture

Abstract

There are many species of plants in the genus Syzygium. This genus is distinguished by its strong root system, evergreen, sprawling and complex tree crowns and a powerful branching system on the trunk. The vertical structure of Syzygium trees is distinguished by branching a large crown. Based on its characteristics, the genus Syzygium has a great potential in supporting the sustainability of ecosystem balance. The diversity of tree architecture possessed by the genus Syzygium allows Syzygium species to play an active role in soil and water conservation efforts. The aim of this study is to identify various architectural models of trees Syzygium species in the collection of Purwodadi Botanical Garden in order to assess their role in the ecosystem. The method used in this study was to measure the physical characteristics of trees, such as tree height, trunk diameter, and crown area, and to observe the shape of trees, such as stem growth patterns, branching patterns, and direction of branch development. As the result, of the 17 Syzygium tree species selected and in accordance with the research criteria, 7 of them have the Stone model, 3 species have the Scarrone model, 2 species have the Attims model, 2 species have the Petit model, and 1 species each has the Koriba, Massart, and Troll models. Each variation of tree architecture model has different functions to the ecosystem.

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