Hopea foxworthyi (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Hopea foxworthyi Elmer

Protologue: Leafl. Philipp. Bot. 4: 1469 (1912).

Synonyms

• Hopea glutinosa Elmer (1912),
• Hopea pierrei Foxw. (1911) non Hance p.p.

Vernacular names

• Philippines: Foxworthy dalindingan (general), dalingdingan (Bikol, Dumagat, Tagalog), malungai (Bisaya), manggachapui-tagokan (Sibuyan).

Distribution

The Philippines (Sibuyan).

Uses

The timber is used as merawan for general house construction, posts, and bridges.

Observations

• A medium-sized to fairly large tree of up to 35 m tall, bole with a diameter of up to 65 cm and narrow buttresses, bark surface smooth; young parts fugacious puberulent.
• Leaves lanceolate, 2.5-6.5 cm × 1-2.5 cm, thin leathery, base more or less equal, cuneate, acumen slender, up to 1.5 cm long, margin subrevolute, lustrous, venation dryobalanoid, midrib depressed above, secondary veins about 10 pairs, very slender and more or less indistinct on both surfaces, ascending, arched, with a few shorter obscure veins in between.
• Stamens 15, ovary ovoid, without stylopodium, fugacious puberulent, style filiform, about twice as long as ovary, tapering.
• 2 longer fruit calyx lobes up to 3.5 cm × 1 cm, tapering at base, 3 shorter ones up to 5 mm × 5 mm, broadly ovate, acute.

H. foxworthyi is locally common in seasonal evergreen forest on red sticky volcanic soil along ridges up to 700 m altitude. The density of the wood is 540-730 kg/m³ at 15% moisture content.

Selected sources

175, 258, 579, 593, 674, 748, 815.

Main genus page

• Hopea (merawan)

Authors

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