Oncosperma tigillarium
Clustering palm with numerous stems per clump. Individual stems up to 20(–25) m tall, 10–15 cm diam. Leaves 10–20 in crown; leaf sheaths forming a 60–70 cm long crownshaft, greenish tinged to cream coloured, sparsely covered with up to 10 cm long spines; petiole 10–30 cm long; blade 2–3 m long; pinnae 55–70 per side, neatly penduolous from the base, longest ones on the mid portion 50–60 cm long. Inflorescence with 15–20 cm long peduncle; rachillae 35–50, almost equal in length, 40–60 cm long. Fruits globose, 1–1.2 cm diam., black at maturity.
Of concern in Thailand where many swampy habitats are threatened by drainage and rice cultivation
Global — Cambodia, Vietnam, Peninsular Malaysia, Borneo, Sumatra (type), Java.
Thailand — PENINSULAR: Trang, Satun, Pattani, Yala.
Growing in mainly swampy habitats in the lowlands, usually at the landward fringe of mangrove.
Trunk for house construction.