Calophyllum exiticostatum (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Calophyllum exiticostatum P.F. Stevens

Protologue: Journ. Arn. Arb. 61: 676 (1980).

Sumatra and Borneo (Sabah).

The timber is possibly used as bintangor.

• A large tree up to 45 m tall with bole up to 140 cm in diameter, without buttresses; twigs strongly 4-angled, terminal bud plump to conical, 2.5-3 mm long.
• Leaves ovate to elliptical, 2-5(-7.5) cm long, rounded or cuneate at base, rounded at apex, with 14-23 veins per 5 mm.
• Inflorescences axillary, unbranched, 5-7-flowered; flowers with 4 tepals.
• Fruit spherical, c. 7 mm long, with very thin outer layer having large air spaces beneath skin.

This species is closely related to C. calaba and is found in evergreen hill forest up to 900 m altitude.

648.

• Calophyllum

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