Artocarpus glaucus Blume, Bijdr. (1825)

Latin for 'blue-green', referring to the lower leaf surface.

Synonyms
Artocarpus biformis Miq.
Artocarpus denisonianus King
Artocarpus glaucescens Trecul
Artocarpus glaucescens var. tephrophylla (Miq.) Miq.
Artocarpus tephrophyllus Miq.
Artocarpus zollingerianus Miq.
Saccus biformis Kuntze
Saccus denisonianus Kuntze
Saccus glaucescens Kuntze
Saccus glaucus Kuntze
Saccus tephrophyllus Kuntze
Saccus zollingerianus Kuntze

Diagnostics
Tree with abundant white sap. Stipules small, not surrounding the twigs, not leaving circular scar when dropped. Leaves alternate, simple, lower surface often whitish. Fruit ca. 3 cm diameter, knobly, subglobose, papillate to smooth syncarp, yellow-orange-brown, with seeds in orange flesh.

Description
Tree up to 43 m tall, 88 cm diameter, with or without buttresses. Bark reddish or greyish brown, smooth or somewhat fissured, flaky; inner bark fibrous, yellowish; sap yellowish white. Twigs slender, 1.5-4 mm thick, finely rugose, appressed hairy, early glabrescent. Stipules nonamplexicaul. Leaves simple, distichous, upper surface glabrous, lower surface glaucous and appressed hairy; elliptic-oblong, obovate, or ovate-lanceolate, 6-20 x 3-8 cm, base asymmetric, broadly cuneate, margin entire, plane, apex acute; midrib sunken above; lateral veins 8-15 pairs, raised below, flat above; intercostal venation scalariform or reticulate, distinct below, flat above; petiole 0.7-4.5 cm long. Inflorescences solitary or paired, axillary; bracts with peltate upper parts; peduncle up to 0.3 cm long. Male heads oblong or club-shaped; perianth 2-3-lobed, divided almost to the base. Female flowers with exserted styles. Syncarps knobbly, subglobose, up to 3 cm across, yellow to orange-brown with light orange flesh, surface papillate or smooth, short-pubescent; peduncle 0.2-0.5 cm long, velvety hairy. [from Tree Flora of Sabah and Sarawak]

Ecology
In undisturbed mixed dipterocarp forests up to 1000 m altitude. On alluvial sites near rivers and streams.

Uses
The wood is used for house building.

Distribution
Peninsular Malaysia, Sumatra, Java, Lesser Sunda Islands, Borneo, Moluccas, Australia.

Local names
Borneo: Buruni, Galing, Tampang wangi, Telangking.
Sarawak: merubi (Malay Baram), pudau putih (preferred name), selangking (Iban).