Ficus lumutana C.C.Berg, Blumea 53: 321 (2008)

Named after 'Gunung Lumut', the place in eastern Borneo where it was collected.

Synonyms

Diagnostics
Tree. Stem with white sap. Stipules ca. 5 mm long, glabrous. Leaves alternate, simple, penniveined, glabrous, margin smooth. Fruits ca. 15 mm diameter, yellow-orange, globose figs, placed along the twigs.

Description
Tree up to 35 m tall, buttressed, deciduous; milk sap watery (or milky). Leafy twigs 2-4 mm thick, glabrous or sparsely appressed puberulous; periderm persistent; branches dark brown to purplish, scars of the stipules +/- prominent. Leaves spirally arranged; lamina oblong to elliptic (to subobovate), 5-15 by 2-5 cm, chartaceous, apex acuminate, base rounded to cuneate, margin entire; upper surface sparsely appressed-puberulous on the midrib, smooth, lower surface sparsely appressed-puberulous on the main veins or only on the midrib; cystoliths absent; lateral veins 7-9 pairs, none branched or furcate away from the margin, the basal pair up to 1/10-1/6 the length of the lamina, running close to the margin, unbranched, tertiary venation scalariform; waxy glands absent on the lamina, but a single vague or clear (sub)median circular gland at or below the base of the petiole; petiole 1-4 cm long, (sparsely) appressed-puberulous or subglabrous, the epidermis flaking off; stipules 0.5-1 cm long, (only) brown ciliolate, caducous. Figs below the leaves on previous seasoní»s growth, in pairs or solitary; peduncle 0.5-1.5 cm long; basal bracts 3, 1-2 mm long, (only) ciliolate; receptacle subglobose, 0.8-1.2 cm diam. when dry, mostly 0.5 cm long stipitate, sparsely puberulous to glabrous, veined, seed-figs orange to yellow at maturity, gall-figs greenish (to yellowish) at maturity and irregularly longitudinally dehiscent, apex convex or slightly protracted, ostiole 2-2.5 mm diam., +/- prominent; internal hairs abundant, yellow. [from Blumea 53: 321]

Ecology
In undisturbed to disturbed (open) mixed dipterocarp to sub-montane forests up to 1300 m altitude.

Distribution
Borneo, Sulawesi.

Local names