Floor plants’ leaf shape and Phyllagathis rotundifolia’s soil organic matter in Kuala Keniam Trail, Pahang National Park

Abstract

Abstract Kuala Keniam forest in the Pahang National Park is a part of the oldest and most complex ecosystem in the world with multispecies of plants and structures. Unfortunately, near to none information was documented on the geometrical aspects of leaves. Thus, this study aims to pre-document on the variety of shapes of leaves along the trail and classify them. Photographs of the plants and all site activities were taken and documented by using the digital single-lens reflex (DSLR) and smartphone-digital cameras. Secondly, this study also aims at understanding this one particular herbaceous plant, known as Phyllagathis rotundifolia (tapak sulaiman) which is commonly found along the trail, and traditionally used to relieve gastrointestinal problems and fever. The composition of the soil organic matter of the plant were collected for better understanding of the type of soil needed for mass-cultivation and medical purposes. The Walkley-Black (WB) titration method was used to analyse the soil, where the oxidation of organic matter by potassium dichromate (K2Cr2O7)-sulfuric acid mixture followed by back titration of the excessive dichromate by ferrous ammonium sulphate (Fe (NH4)2(SO4)2.6H2O) were monitored. Findings from the Kuala Keniam trails were documented and analysed. Thirty distinct-leaves have been identified and classified into 10-distinct leaf shape categories. Rich soil contents such as iron, carbon and phosphorous were also detected, thus creating Kuala Keniam as an excellent environment for the growth of beneficial shrubs and herbs