Artocarpus lanceifolius (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Artocarpus lanceifolius Roxb.

Protologue: Fl. Ind. 3: 527 (1832).

Vernacular names

• Indonesia: keledang (Malay, Sumatra, Kalimantan), simar naka (Batak, Sumatra), bangsal (Dayak, Kalimantan)
• Malaysia: keledang (Peninsular)
• Thailand: khanun-pa.

Distribution

Thailand, Peninsular Malaysia, Sumatra, Bangka, the Riau and Lingga Archipelago and north-eastern Borneo.

Uses

A. lanceifolius is an important source of keledang timber; the wood is used for e.g. heavy construction, furniture, boat building, household utensils and coffins. It yields a dye and the fruit is edible.

Observations

• A medium-sized to fairly large evergreen tree up to 36 m tall, bole straight, branchless for up to 25 m, up to 85 cm in diameter, with short buttresses.
• Leaves ovate-lanceolate to ovate or obovate, base cuneate, glabrous, with 9-14 pairs of secondary veins, stipules amplexicaul.
• Male head ellipsoid to cylindrical, 12-18 mm across, on a 25-70 mm long peduncle; styles in female head bifid; syncarp subglobose, up to 7(-12) cm across, tessellated from cylindrical, truncate processes, appressed pubescent.

Two subspecies are recognized: subsp. lanceifolius and subsp. clementis (Merr.) Jarrett, the latter endemic to north-eastern Borneo. A. lanceifolius is fairly common and found in evergreen lowland or hill forest up to 600(-1100) m altitude. The density of the wood is 510-855 kg/m³at 15% moisture content. See also the table on wood properties.

Selected sources

75, 77, 78, 104, 234, 262, 294, 363, 458, 465, 474, 507, 577, 705, 734.

Main genus page

• Artocarpus (PROSEA Timbers)

Authors

M.S.M. Sosef (selection of species)