Morphological characters of kepel (Stelechocarpus burahol) from Kulon Progo, Yogyakarta, Indonesia

Abstract

Kepel is a rare plant that becomes the identity plant of Special Region of Yogyakarta and often used as natural perfume and bio-pharmaceutical. This research was conducted to identify the vegetative characterization of kepel and to determine the variety of kepel in Kulon Progo Regency, Special Region of Yogyakarta, Indonesia. The study was conducted from December 2018 to March 2019. The research method used was survey method with sampling purpose in 12 sub-districts in Kulon Progo. Kepel plant that have produced fruits, healthy, and normal growth were used as samples. Each plant was observed and the vegetative parameters were measured including the trunk, the leaf, and the canopy. The observation variables according to the description for Annonaceae. The data were analyzed using cluster analysis. Morphological characters from 36 samples in Kulon Progo had a high diversity based on similarity analysis in 14 variables with coefficient of similarity 35-92%. There are four clusters with a similarity level of 49,5%. Cluster 1 has 10 samples (27.78%), Cluster 2 has 22 samples (61.11%), Cluster 3 has 2 samples (5.56%), and Cluster 4 has 2 samples (5.56%). Kepel Wates5 is expected to be a high-yielding variety based on the number of tubercles and tree age.