This "bleeding tree" was found near Bukit Permatang Resam, Kota Damansara Community Forest.

Dear Jimmy,

Some species of Myristicaceae and Euphorbiaceae are often having bright red exudate. For Fabaceae (bean family), genera of Pterocarpus and Callerya is known having the similar one. According to bark character, it appears to me that the plant is not the one of Pterocarpus and Callerya.

Do you have some other information such as the leaves and/or flowers?

Thanks

Dear Jimmy,

It is highly probably that the bleeding tree is Macaranga from the family of Euphorbiaceae. The local name for Macaranga is Mahang. Any species of Macaranga is one of the most common trees to grow on the disturbed land.


Macaranga peltata (Photo was taken from internet)


Macaranga tunarius (Photo was taken from internet)


Bark of Macarangga which has similarity to the one on your photo. (Photo was taken from internet)

Can you recall whether you saw some big leaves with long stalk around the tree?


Leaves of Macaranga (Photo was taken from internet)

This morning (January 31, 2015) I did some walk at Setia Alam trail. In response to your post earlier, here I would like to share with you the test I did on Macaranga gigantea. The bark was injured to bring out the "bloody" color of sap.


Sap of Macaranga gigantea


Leaves of Macaranga gigantea (photo was taken from internet)