In December 2013 an epiphytic  male Ficus parietalis was fruiting above a path behind the restaurant kitchen at Mulu Park HQ.  The open ostioles of these F. parietalis figs in the canopy indicate that these are ripe male fruit from which the pregnant female fig wasps have recently emerged. See also Ficus sexuality.

Male Ficus parietalis figs ripen pale yellow rather than the bright red of female figs. No animal eats male figs so they fall uneaten to the forest floor. You can see that the whole path was carpeted with uneaten figs.
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Fallen leaves and ripe male figs of Ficus parietalis  collected from the ground at Mulu Park HQ. Male figs are are easy to recognize when ripe because of their pale yellow color and the open ostiole. See below for a photo of a ripe female fig.
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Ripe female Ficus parietalis figs photographed along the Labuk Road near the entrance to Sepilok in 2014

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