Inventarisasi Jenis-Jenis Anggrek di Samosir Utara Kabupaten Samosir, Provinsi Sumatera Utara (Studi Kasus Kecamatan Ronggurnihuta dan Kecamatan Simanindo)

Abstract

Flora Yolanda Panjaitan. (071201042). Inventory Types of Orchids in North Samosir, Samosir District, North Sumatra Province (Case Study Sub District Ronggurnihuta and Simanindo). Guided By Pindi Patana, S. Hut, M. Sc and IrMa'rifatin Zahra, M. Si. The purpose of this study was to identify the type of orchid that exist in North Samosir and to determine the distribution of orchid species in North Samosir. There seach was conducted in the area of North Samosir, Partukoan Village District Ronggurnihuta and the Village Tanjungan, Simanindo District of North Sumatra Province, conducted from June to July 2011. The method used is purposive sampling. Based on the results of research in the field found as many as 10 species of orchids from 8 genera of orchids are found. Of the 10 species of orchids are found, six species of orchids are epiphyt orchid that is Agrostophyllum magi, Bulbophyllum baileyi, Coelogyne Dayana, Coelogyne salmonicolor, Dendrobium setifolium , Eria pilifera and 4 species of orchid is a terrestrial orchid (soil) that is Arundina graminifolia, Phaius tankervilliae, Spathglottis aurea and Spathoglottis plicata. From the patterns of distribution of species of orchids can be seen that the spread of orchids in North Samosir spread uniformly although the numbers are not evenly distributed in each location . Factors that lead to unequal number of orchids in each location is the temperature, air humidity, win, rainfall, soil and altitude.