Ficus heteropleura, Gunung Silam, East Sabah. The single plant described in this article was collected from 500 m on Gunung Silam an ultramafic mountain in East Sabah with an unusual flora. All photos by Linus Gokusing.Ficus heteropleura . The photo above shows a small auricle (ear) at the base of the both from above and below. The leaf is slightly involute at the base i.e. turned upwards a characteristic feature of F. heteropleura according to Berg (2011)Ficus heteropleura. This is a closeup of the auricle from above.Ficus heteropleura . This is a closeup of an auricle from below.