FICUS SUMATRANA Ficus sumatrana Miq. (1867) SECTION:CONOSYCEAE
Latin: From Sumatra where the type collection originated.
Habit: Large strangler to 30m, most common in the hills and mountains of N. Borneo up to 1600m.
Leaves: Small spirally arranged leaves, 4-10cm (up to 14cm) long x 1.5-5cm wide with a petiole (leaf stalk) normally up to 1cm but occasionally up to2.5cm long. The leaves are stiff and glossy with an obvious pair of basal veins but very lightly defined parallel side veins.
Fig: Small 0.8-1cm, sessile (no stalk) in pairs in the leaf axils. Figs ripen green to orange to red. Basal bracts large and obvious.
Similar species: Ficus delosyce, and Ficus borneensis
Distingush: F.sumatrana is characterized by very plain even leaf venation in which the tertiary veins run parallel to the main veins.
- delosyce has a peaked area around the ostiole and the leaf venation is more prominent.
F.borneensis: The leaf is small and oval shaped. The fig is oblong not round.
Distribution: Uncommon in the lowlands but one of the commonest strangling figs in the hills and mountains of Borneo.
Sabah: The commonest strangling fig on Kinabalu including the forest around Kinabalu Park HQ., Also common at Tenom.
Brunei: Very rare in Brunei (Coode 1996) has only one record from the Andulau FR.
Sarawak: At Lambir uncommon-the 17/20 commonest strangler.
Kalimantan: Gng Palung (Kalbar) –not present. Absent from the peat swamp forests of southern Kalimantan but recorded at Danau Sentarum(Kalbar ) and Kutai (Kaltim) .
Range: Myanmar to Vietnam south to the Malay Peninsula, Sumatra, Java, Borneo and the Philippines.