Archidendron clypearia (Jack) Nielsen, Adansonia ser. 2, 19(1) (1979)
Latin for 'shield'.

Synonyms
Abarema angulata (Benth.) Kosterm., Abarema clypearia (Jack) Kosterm., Abarema clypearia var. angulata (Benth.) Kosterm., Abarema clypearia forma montana Kosterm., Abarema clypearia forma prainiana Kosterm., Abarema clypearia forma subacutum Kosterm., Abarema clypearia var. velutina (Merr. & Perry) Verdc., Abarema cuneadena (Kosterm.) Kosterm., Abarema sessiflora (Merr.) Kosterm., Albizia angulata (Benth.) Kurz, Albizia heterophylla (Roxb., non Lam.) Kurz, Archidendron clypearia subsp. sessiflorum (Merr.) Nielsen, Feuilleea clypearia (Jack) O.Kuntze, Feuillea heterophylla (Roxb., non Lam.) O.Kuntze, Feuillea subacuta (Benth.) O.Kuntze, Inga clypearia Jack, Inga dimidiata Hook. & Arnott., Inga falcifolia Hassk., Inga falciformis Hassk., Inga kawahurunae Voigt, Inga subfalcata Zoll. & Mor., Mimosa heterophylla Roxb., Mimosa scutifera var. casai Blanco, Mimosa trapezifolia Roxb., Pithecellobium angulatum Benth., Pithecellobium angulatum var. intermedia Prain, Pithecellobium clypearia (Jack) Benth., Pithecellobium clypearia var. acuminatum Gagnep., Pithecellobium clypearia var. densiustomentella Miq., Pithecellobium clypearia var. velutinum Merr. & Perry, Pithecellobium cuneadenum Kosterm., Pithecellobium falcifolium (Hassk.) Hassk., Pithecellobium montanum Benth., Pithecellobium montanum var. microphylla Benth., Pithecellobium montanum var. subfalcatum (Zoll. & Mor.) Miq., Pithecellobium montanum var. variegatum Miq., Pithecellobium parvifolium Merr., Pithecellobium prainianum Merr., Pithecellobium sessiflorum Merr., Pithecellobium subacutum Benth.

Description
Sub-canopy tree up to 23 m tall and 46 cm dbh. Stipules absent. Leaves alternate, compound, leaflets opposite, penni-veined, glabrous, strongly varying in size but usually small. Flowers ca. 3 mm diameter, white-yellow, protruding anthers, flowers placed in branched inflorescence. Fruits ca. 67 mm diameter, orange-red, curled dehiscent pod, black seeds remain attached upon dehiscence.

Ecology
In undisturbed to slightly disturbed mixed dipterocarp, keranga, peat-swamp, beach, mangrove and sub-montane forests up to 1700 m altitude. Often on alluvial sites, but also common on hillsides and ridges. On sandy to clay soils, also on ultrabasic. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
Leaves used for tanning and colouring of rattan.

Distribution
Tropical Asia from India and South China to New Guinea. In Borneo found throughout the island.

Local names in Borneo
Anup-anup, Jerung, Kangkat rangkat, Kelayung, Petai kerayung, Tambilit.