DAVALLIACEAE (PTERIDOPHYTA) DI BUKIT BATU KABUPATEN BENGKALIS-SIAK PROVINSI RIAU

Abstract

Bukit Batu is one of conserved area in Riau. It’s divided into three zone (core, buffer and transition). The last two zone is commonly used for agriculture, industry and local people settlement. Therefore, the flora compotition including ferns was affected by human activities. The aims of this research was to identify the fern species from Davalliaceae family in the buffer and transition zone in Bukit Batu, Riau. All samples were collected in the field using exploration method. Morphological characters were observed in the field were the colour of leaf, steam, rhizome and habitat. All samples were prepared for herbarium. The observation of spore were carried out using non-asetolisis and asetolisis methods. The result identified show six Davalliaceae species, i.e Davallia denticulata (Burm. f.) Mett. ex Kuhn., Nephrolepis hirsutula (G. Forst) C. Presl., Nephrolepis biserrata (Sw.) Schott, Nephrolepis multiflora (Roxb.) F.M. Jarrett, Nephrolepis cordifolia (L.) C. Presl, dan Nephrolepis brownii (Desv.) Hovenkamp & Miyam that belong to two genera is Davallia and Nephrolepis