Calophyllum tetrapterum (PROSEA)

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Plant Resources of South-East Asia
Introduction
List of species


Calophyllum tetrapterum Miq.

Protologue: Pl. Jungh.: 291 (1854).

Vernacular names

  • Malaysia: bintangor kuning (Peninsular)
  • Thailand: tanghon (Narathiwat, Surat Thani)
  • Vietnam: cồng vẩy ốc.

Distribution

The Andaman Islands, Cambodia, Vietnam, Thailand, Peninsular Malaysia, Singapore, Sumatra, the Riau Archipelago, Bangka, Belitung, Bawean Island, Karimoendjawa and Borneo.

Uses

The timber is used as bintangor. The fruit is edible.

Observations

  • A shrub to medium-sized tree up to 20 m tall (perhaps sometimes very large, up to 40 m), with bole up to 40 cm in diameter, without buttresses but occasionally having stilt roots; twigs usually strongly 4-angled, terminal bud plump, 1.5-4 mm long.
  • Leaves elliptical to obovate, (2-)3.5-14 cm long, cuneate at base, rounded, acute or acuminate at apex, with (4-)5-14(-17) veins per 5 mm.
  • Inflorescences usually axillary, unbranched, 3-11-flowered; flowers with 4 or 8 tepals (rarely 5-7 or 10).
  • Fruit ellipsoid to spherical, 6.5-16 mm long, with thin outer layer having large air spaces under the skin, yellowish, reddish-yellow or bluish-green.

Var. tetrapterum (synonyms: C. floribundum Hook.f. p.p., C. praineanum King, C. venustum King) occurs throughout the range, usually in well-drained mixed dipterocarp forest up to 1000 m altitude, and var. obovale (Miq.) P.F. Stevens (synonyms: C. obovale Miq., C. griffithii T. Anderson) occurs scattered in Peninsular Malaysia, Sumatra and Borneo, in the same habitats.

Selected sources

33, 44, 102, 648, 779.

Main genus page

Authors

R.H.M.J. Lemmens (selection of species)