Hopea pedicellata (PROSEA)

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Plant Resources of South-East Asia
Introduction
List of species


Hopea pedicellata (Brandis) Sym.

Protologue: Gard. Bull. Str. Settl. 9: 327, pl. 19 (1938).

Synonyms

  • Hopea siamensis Heim (1902),
  • Hopea pierrei Ridley (1922) non Hance p.p.

Vernacular names

  • Malaysia: mata kucing bukit (general), merawan mata kucing (Peninsular)
  • Thailand: takhian-khao (general), sarayaa dam (peninsular)
  • Vietnam: kiền kiền gân nổi.

Distribution

Southern Indo-China, peninsular Thailand, Peninsular Malaysia and Borneo.

Uses

The timber is used as merawan. H. pedicellata is also a minor source of dammar ("damar mata kucing").

Observations

  • A medium-sized to fairly large tree of up to 40 m tall, bole frequently crooked, with a diameter of up to 55 cm and thin, sometimes stilted buttresses, bark surface flaky, outer bark dark brown, with red inner layer, inner bark pink grading to a pale translucent layer at the cambium, sapwood pale yellow, rather hard, grading to the brown-pink heartwood; young parts and domatia grey-brown puberulent.
  • Leaves ovate-lanceolate, 4-9 cm × 1-3.5 cm, base cuneate, acumen slender, up to 1.5 cm long, venation dryobalanoid, midrib raised above, secondary veins 8-12 pairs, with subequal veins in between, indistinct, slender, hardly raised below.
  • Stamens 15, unequal, ovary with stylopodium, cylindrical-conical, truncate, punctate in the distal half, style short.
  • 2 longer fruit calyx lobes up to 3 cm × 0.5 cm, 3 shorter ones up to 3 mm × 4 mm, ovate, saccate, adpressed to the nut.

H. siamensis is sometimes kept separate from H. pedicellata differing in the shape and indumentum of the ovary and stylopodium; it is confined to south-eastern Thailand and southern Vietnam. H. pedicellata occurs in hill forest up to 750 m altitude. The density of the wood is 755-880 kg/m3 at 15% moisture content.

Selected sources

31, 258, 278, 623, 677, 748.

Main genus page

Authors

  • K.M. Kochummen (selection of species),
  • F.T. Frietema (selection of species)