Studi Taksonomi Pandanus (Pandanaceae) di Kawasan Rawa Aceh Singkil

Abstract

Taxonomic study on Pandanus (Pandanaceae) at swamp area of Singkil was conducted from November 2012 until June 2013. The location determined by purposive sampling method and observational studies conducted using the survey method and collecting specimens. Based on morphological characters, 5 species of Pandanus identified in the area that are Pandanus atrocarpus, Pandanus labyrinthicus, Pandanus militaris, Pandanus odoratissimus and Pandanus tectorius. The morphology and life form of species are categorized into two types that are medium arborescent pandan (Pandanus labyrinthicus, Pandanus militaris) and large arborescent pandan (Pandanus atrocarpus, Pandanus odoratissimus and Pandanus tectorius). Anatomical characters of Pandanus such as stomata, papilla and epidermal cells supported the morphological characters. Pandanus species in Aceh Singkil are divided into two main groups with similarity varies from 55 % to 84%.

Studi taksonomi Pandanus (Pandanaceae) di kawasan rawa Aceh Singkil telah dilaksanakan pada bulan Nopember 2012 hingga Juni 2013. Lokasi ditentukan dengan Metode Purposive Sampling dan pengamatan penelitian menggunakan Metode survei serta dilakukan pengkoleksian spesimen. Berdasarkan ciri-ciri morfologi diperoleh 5 jenis Pandanus di kawasan tersebut yaitu Pandanus atrocarpus, Pandanus labyrinthicus, Pandanus militaris, Pandanus odoratissimus dan Pandanus tectorius. Berdasarkan morfologi dan habit, Pandanus dapat digolongkan kedalam habit berperawakan sedang (Pandanus labyrinthicus, Pandanus militaris) dan habit berperawakan besar (Pandanus atrocarpus, Pandanus odoratissimus dan Pandanus tectorius). Karakter anatomi meliputi stomata, papilla dan sel epidermis memperkuat karakter morfologi. Jenis-jenis Pandanus di Aceh Singkil dibagi ke dalam dua kelompok utama dengan nilai kemiripan berkisar antara 55 % sampai 84 %.