Tectona grandis L., Suppl. Pl. (1782)

Synonyms
Jatus grandis (L.f.) Kuntze
Tectona grandis forma abludens Koord. & Valeton
Tectona grandis forma canescens Moldenke
Tectona grandis forma pilosula Moldenke
Tectona grandis forma punctata Moldenke
Tectona grandis forma tomentella Moldenke
Tectona theca Lour.
Theka grandis (L.f.) Lam.

Description
Mid-canopy tree up to 32 m tall and 87 cm dbh. Stem with red sap. Stipules absent. Leaves large, opposite, simple, penni-veined, glabrous to hairy. Flowers ca. 8 mm diameter, white-yellowish, with corolla tube, placed in large panicles. Fruits ca. 21 mm diameter, green-yellow, a nut completely enclosed by the fused calyx lobes, forming a balloon around the seed.

Ecology
Introduced in Borneo and usually cultivated in plantations. Grows on dry, well drained sites.

Uses
One of the most popular sources of wood in Java, mainly for house building and furniture. Branches reported to be used to make tobacco pipes in Sabah.

Distribution
Currently pan-tropical, but originally from India and Indo-China. In Borneo introduced and only found in Sabah and East-Kalimantan.

Local names
Borneo: Jati, Kayu jati, Teak.