Studi Taksonomi Rotan di Kawasan Sikundur Taman Nasional Gunung Leuser Kabupaten Langkat Sumatera Utara

Abstract

The Taxonomic Study of Rattan In Sikundur Area Leuser National Park of North Sumatera using Survey Methods has been studied from May to Agustust 2011. There are 27 species of rattan found in the study area belonging into five genera. Those species identified primarily based on their knee, ocrea and rachis. Based on phenetic analisys of morphological characters, species are classified to two groups that are group A and B with the morphological similarity ranges from 57% to 93%. Group A consist of 14 species (Calamus erectus, C. scipionum, C. exilis, C. tumidus, Calamus sp2., Calamus sp1., C. simlicifolius, C. ovoideus, Calamus sp3., Daemonorops draco, D. hystrix, Plectocomia sp., P. Griffithii, and Plectocomiopsis sp.) with morphological similarity ranges from 65% to 93%. Group B consist of 13 species (Calamus caesius, C. discolor, C. javensis, Calamus sp4., C. ornatus, C. penicillalus, C. tetradactylus, C. zollingeri, Korthalsia echiometra, K. rostrata, K. rigida, K. scortechinii, K. scaphigera) with morphological similarity ranges from 61% to 93%. Most species found on the habitat from 35 to 78 meters above sea level, nearby mountain side and swamp.