Artocarpus lanceifolius Roxb., Fl. Ind. 3 (1832)

Latin for 'lance-shaped leaves'.

Synonyms
Artocarpus clementis Merr.
Artocarpus lanceifolius var. clementis (Merr.) F.M.Jarrett
Artocarpus reticulatus Hunter ex Ridl. [Illegitimate]

Diagnostics
Tree with abundant white sap. Stipules surrounding the twigs, leaving circular scar when dropped. Leaves alternate, simple (lobed in young trees), glabrous. Fruit placed on branches, c.8-12 cm diameter, with spines or warts, yellowish, with seeds in orange flesh.

Description
Tree up to 35 m tall, 90 cm diameter, occasionally with low buttresses. Bark dark grey, smooth to scaly; inner bark yellowish white. Twigs 6-8 mm thick, rugose, appressed hairy, minutely punctate. Stipules amplexicaul, ovate or lanceolate, acute, 1.5-4.5 cm long, appressed pubescent with short hairs. Leaves simple, spirally arranged, thick-coriaceous, entire in adult trees, deeply pinnately incised with equal segments in juvenile trees, glabrous on both surfaces, drying greygreen; elliptic to ovate, obovate or oblong, rarely lanceolate to elliptic, 10-33 x 5-17 cm, base cuneate, asymmetric, margin undulate, apex acute or obtuse; midrib raised above; lateral veins 7-14 pairs, raised on both surfaces; intercostal venation scalariform, very faint below, invisible above; petiole 1-3 cm long. Inflorescences solitary or paired, axillary; bracts with funnel-shaped upper parts; peduncle 2.5-7 cm, short-hairy. Male head ellipsoid to cylindrical, 3-6 x 1.2-1.8 cm. Female heads with peltate bracts; female flowers with exserted bifid styles. Syncarps subglobose, 8-12 x 7 cm, olive- or chestnut-brown, tessellate by hardened truncate processes; peduncle 5-10 cm long; fleshy perianth whitish-orange. [from Tree Flora of Sabah and Sarawak]

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

Uses
The pulp surrounding the seeds is edible. An important source of keledang timber which is used in heavy construction, furniture manufacture, boat-building, and for making household utensils and coffins.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Borneo.

Local names
Borneo: Kateh, Keledang, Kledang, Paribalek, Peruput, Pudu, Tarap hutan.
Sarawak: kaliput, pala tupai (Iban).