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 season¡¯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
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