Artocarpus nitidus Trecul, Ann. Sci. Nat. Bot. ser. 3, 8 (1847)

Synonyms
Artocarpus antiarifolia Becc.
Artocarpus borneensis Merr.
Artocarpus eberhardtii Gagnep.
Artocarpus eberhardtii var. poilanei Gagnep.
Artocarpus gomezianus var. griffithii King
Artocarpus griffithii (King) Merr.
Artocarpus humilis Becc.
Artocarpus lamellosus Blanco
Artocarpus lanceolata Trecul
Artocarpus lingnanensis Merr.
Artocarpus nitidus subsp. borneensis (Merr.) F.M.Jarrett
Artocarpus nitidus subsp. griffithii (King) F.M.Jarrett
Artocarpus nitidus subsp. humilis (Becc.) F.M.Jarrett
Artocarpus nitidus subsp. lingnanensis (Merr.) F.M.Jarrett
Artocarpus parva Gagnep.
Artocarpus sampor Gagnep.
Artocarpus vrieseanus var. subsessilis F.M.Jarrett
Artocarpus xanthocarpus Merr.
Saccus lanceolatus Kuntze
Saccus nitidus Kuntze

Diagnostics
Tree with abundant white sap. Stipules not surrounding the twigs, not leaving circular scar when dropped. Leaves alternate, simple, small, glabrous, very clear reticulate tertiary venation. Fruit placed on branches, c. 1.5-6 cm diameter, smooth, hairy to glabrous, greenish-yellow.

Description
Tree up to 41 m tall, 70 cm diameter, with buttresses up to 1 m tall. Bark reddish brown, smooth to shallowly fissured. Twigs 1-4 mm thick, smooth or finely rugose, appressed hairy, early glabrescent. Stipules non-amplexicaul. Leaves simple, distichous, thin to thick-coriaceous, upper surface glabrous, shining, lower surface glabrous or sparsely hairy; elliptic, obovate or oblong, 3.5-23 x 1.5-9 cm, base cuneate or rounded, margin entire, plane, apex obtuse or acute; midrib appressed short-hairy below, raised above; lateral veins 5-15 pairs, appressed short-hairy below, raised and distinct on both surfaces; intercostal venation reticulate, including the areoles distinctly visible on both surfaces; petiole 0.5-2.5 cm long. Inflorescences solitary or paired, axillary; bracts with slender stalk, upper parts peltate, ciliate; peduncle up to 0.3 cm long. Male heads oblong or club-shaped, 0.3-1.2 cm long; perianth with 2-4 free tepals or fused at the base, 0.5-0.7 mm long; stamens 0.8-1 mm long, filaments broad, tapering or contracted at the upper parts, anthers ellipsoid, c. 0.2 mm long. Female heads with scattered bracts; femaleflowers with exserted styles, up to 0.5 mm long. Syncarps axillary, subglobose, 1.5-6 cm across, surface smooth or often irregularly swollen, hairy or glabrous; peduncle 0.15-2 cm long. Seeds subglobose to ovoid, 0.8-1 x 0.7-0.8 cm. [from Tree Flora of Sabah and Sarawak]

Ecology
In undisturbed to slightly disturbed mixed dipterocarp and sub-montane forests up to 1500 m altitude. Mostly on hillsides and ridges with sandy to clay soils.

Uses
The wood is used for house construction and for making blow pipes and gun / parang handles. The fruits are edible but not very tasty.

Distribution
From India and southern China to New guinea and the Solomon Islands.

Local names
Borneo: Ara, Beruni sisek, Betau, Burini, Empata, Karon, Keladang, Selangking, Tampang wanji.
Sabah: beruni (Dusun).
Sarawak: dadak, empaka, karon (Bidayuh),ngidunuk (Bidayuh, Bau), selangkin (Iban), sinojoh (Bidayuh, Padawan), taburakin (Bidayuh, Sadong).