Table 1. Environmental description of genetic test site in Wonogiri District, Central Java Province, Indonesia

	Forest Research of Alas Ketu, Wonogiri, Central Java, Indonesia
Geographical location	S 7° 47’49.22”–7° 47’49.52” E 110° 56’00”–110° 56’10”
Climate type	C (Schmidt and Fergusson)
Rainfall	1.645 mm/year
Temperature	21°C–32°C
Type of soil	Vertisol
Altitude	141 m above sea level
Slopes	10%