Adinda Emilia Sajida, Baiq Kesy Juliani, Baiq Zulifa Hemidia, Siti Rizki Fitri, R. Muhamad Azis Maulana, Kurniasih Sukenti, Tri Mulyaningsih

Anatomi Organ Vegetatif Tumbuhan Rija-Rija (Scleria melaleuca) di Kawasan Hutan Kemasyarakatan (HKM) Pusuk Lestari, Lombok Barat

Introduction

Anatomi organ vegetatif tumbuhan rija-rija (scleria melaleuca) di kawasan hutan kemasyarakatan (hkm) pusuk lestari, lombok barat. Teliti anatomi organ vegetatif tumbuhan Rija-Rija (Scleria melaleuca) di HKM Pusuk Lestari, Lombok Barat. Ungkap ciri khas: sel buliform, batang segitiga, dan berkas vaskularnya.

Abstract

Cyperaceae is a plant species that belongs to the sedges family and is characterised by a triangular stem. The sedges plant is frequently observed in rice fields and under the shade of trees, including Scleria melaleuca.The objective of this study is to ascertain the anatomical characteristics of S. melaleuca.The study employed a descriptive exploratory research method and was conducted at the Advanced Biology Laboratory, Faculty of Mathematics and Natural Sciences, University of Mataram. The S. melaleuca plant samples were collected from the Hutan Kemasyarakatan (HKM) Pusuk Lestari Area in Batu Layar, West Lombok Regency, West Nusa Tenggara. The samples included the root organs, stems, leaves and seeds. The samples were preserved in 70% alcohol and sliced using the hand-free section method. The results of the study demonstrated that the S. melaleuca exhibited distinctive characteristics, including the presence of bulliform cells between the leaf epidermis, the presence of both long and short cells, closed concentric vascular bundles in the stems, a triangular stem shape, and amphicribal vascular bundles in the roots.

Review

This paper presents a focused anatomical investigation into *Scleria melaleuca*, a species within the Cyperaceae family, commonly known as sedges. The study's primary objective was to thoroughly ascertain the distinctive anatomical characteristics of *S. melaleuca*. Utilizing a descriptive exploratory research approach, the authors collected samples from the Hutan Kemasyarakatan (HKM) Pusuk Lestari area in West Lombok and conducted detailed analyses using the hand-free section method in a well-equipped laboratory, ensuring a systematic approach to sample preparation and observation. The research successfully identified and documented several key anatomical features across various vegetative and reproductive organs of *S. melaleuca*. Notable findings include the presence of bulliform cells between the leaf epidermis, an observation significant for water regulation, alongside the identification of both long and short cells. Furthermore, the study meticulously described closed concentric vascular bundles in the stems, affirming the characteristic triangular stem shape, and amphicribal vascular bundles within the roots. These detailed anatomical descriptions contribute valuable baseline data for the species, enhancing our understanding of its unique morphological adaptations. The anatomical data presented for *Scleria melaleuca* is a valuable addition to the botanical literature, particularly for the Cyperaceae family, which is often understudied compared to other plant groups. Such precise characterizations are crucial for accurate taxonomic identification, understanding ecological adaptations, and potentially for agricultural management strategies, given the species' common occurrence in rice fields. While the study is descriptive, its robust findings lay a strong foundation for future comparative studies with related sedge species or for investigating functional correlations between these anatomical features and the plant's physiology or habitat requirements. Overall, this paper offers a solid and well-executed anatomical description that significantly advances our knowledge of *S. melaleuca*.

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