Shorea atrinervosa (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Shorea atrinervosa Sym.

Protologue: Gard. Bull. Str. Settl. 10: 363, pl. 21 (1939).

Synonyms

• Shorea collina Foxw. (1932) non Ridley p.p.

Vernacular names

• Brunei: selangan batu hitam
• Indonesia: resak bunga, meranti hursik, rikir minyak (Sumatra)
• Malaysia: balau hitam (Peninsular), selangan tukol (Sarawak), selangan batu hitam (Sabah).

Distribution

Peninsular Malaysia, Sumatra and northern Borneo.

Uses

The timber is used as balau. Illipe nuts are collected, although S. atrinervosa is not an important source.

Observations

• A large tree up to 50 m tall with bole up to 125 cm in diameter and buttresses up to 3 m high.
• Leaves 8-16 cm × 3.5-9 cm, lower surface white lepidote and with black veins when dry.
• Petals narrow, stamens 25-33 with barbate filaments.
• Fruit calyx lobes unequal, larger three up to 11 cm × 2.5 cm.

S. atrinervosa is locally common on undulating land and hillsides on clay-rich soils in mixed dipterocarp forest. The density of the wood is 770-1110 kg/m³ at 15% moisture content.

Selected sources

31, 89, 100, 253, 258, 677, 748.

Main genus page

• Shorea (balau)

Authors

• M.S.M. Sosef (selection of species)