Barringtonia lanceolata (Ridl.) Payens, Blumea 15 (1967)

Synonyms
Barringtonia pseudoglomerata P.Chantaranothai
Careya lanceolata Ridl.
Planchonia lanceolata (Ridl.) Knuth

Diagnostics
Growing in dry places inside the rain forest. Relatively large tree. White-pinkish flowers in racemes. Fruits up to 8 cm long.

Description
Mid-canopy tree up to 31 m tall and 43 cm dbh, with short buttresses. Bark smooth, dippled or slightly flaky, hard, brown, grey or reddish brown with grey patches; inner bark brown or pink. Sapwood yellow or white. Twigs slender, 1.5-5 mm diameter. Stipules dropped early. Petiole (1-)3-5(-8) cm long. Leaves crowded at twig tips, alternate to whorled, simple, obovate-oblong to oblong, 9-17(-25) x 3-7(-9) cm, penni-veined, glabrous, slightly toothed margin. Inflorescence spicate, erect, borne on leafless older twigs, 5-25(-100) cm long, glabrous, bracts lanceolate, 3-7 x 103 mm, apex rounded. Flowers ca. 50 mm diameter, white-pinkish, many protruding stamens in 4(-5) whorls, placed on spikes, flowering at night, corolla dropped in the morning. Fruits ca. 72 mm long by 40 mm wide, green-brown-purplish, drupes.

Ecology
In undisturbed mixed dipterocarp and sub-montane forests up to 1700 m altitude. Usually on ridges. Flowering at night to attract bats and moths.

Uses
The bark is locally used as a fish poison.

Distribution
Borneo.

Local names
Borneo: Jempalang, Jempalang apoi (Dusun), Langkong (Iban), Putat (Malay), Tempalang.