Distribution and habitat
Philippines (Lanao Province) and Borneo (4th Div,
Lambir Nat. Park). At present, the species was recently found in
Barangay Tilubog, Municipality of Naga, Zamboanga Sibugay province
extending its distribution range where it grows in deeply shaded broad
leaved forest near the trail and rubber plantation at elevation of
between 200 to 300 m a.s.l. In the type locality, the species was found
growing in the dipterocarp forest at 150 m a.s.l. (Quisumbing 1930). In
Sarawak, the species was found growing in dipterocarp forest and on
sheltered sandstone cliff at elevations between 150–459 m a.s.l. (Hou
1984).