Solitary slender unarmed pleonanthic monoecious undergrowth palm, to 2 m tall. Stem to 1.5 cm diam.; internodes 2-4 cm long. Crownshaft elongate, cylindrical, slightly swollen, to c. 20 cm long. Leaves to 7 in crown; sheath to c. 12.5 cm long, yellowish or creamish-white with light green tinge, covered with brown scaly indumentum; leaf without sheath c. 58-65 cm long; petiole c. 13-22 x 0.5 cm, yellowish, flattened adaxially, convex abaxially, covered with indumentum as sheath; rachis angular, bifacial adaxially, obtusely rounded abaxially, covered with indumentum as sheath and petiole. Leaflets to 6 on each side of the rachis, unequal, ± sigmoidal, inequidistant, 1-9 cm apart, except those of the apical leaflet pair, long-acuminate to subfalcate, green above and with prominently elevated costae, paler underneath and generally glabrous, rarely with sparse ramentae along the costae; basal leaflets 1-4-costate, c. 8.5-15 x 0.7-3 cm; middle leaflets 6-7-costate, c. 21-29 x 6-8 cm; apical leaflets 5-8-costate, c. 9-14 x 4-6 cm, joined to 9 cm at the base along the rachis, the apex incised to as many lobes as there are costae, the lobes to 1 cm long and further incised at their tips to 5 mm deep, resulting secondary lobes acute-acuminate. Inflorescence infrafoliar, pendulous; prophyll not known; peduncle c. 1.5-3 x 0.2-0.4 cm, flattened, glabrous, the inflorescence very rarely simple and unbranched; rachillae often 2-3, rarely 4 or more, each to 8-15 cm long, flattened, to 3 mm wide, 1.5 mm thick when dry, glabrous, drying finely striate, the subtending bract a narrow, low collar. Staminate and pistillate flowers not known. Infructescence pendulous. Fruiting perianth depressed-cupular, 2 mm high, 3 mm across, with a contracted mouth; the petals and sepals free and imbricate, subequal, glabrous; subtending bract a low, explanate, semi-annular collar to 0.5 mm high. Fruits distichous, 3-6 mm apart, pinkish, ripening red then purplish-black, broadly ovoid, c. 1.6 x 0.8 cm, shortly beaked; epicarp drying striate; mesocarp thinly fibrous; seed ovoid, c. 9 x 5 mm, acute at tip, caudiculate at base; endosperm ruminate; embryo basal. Eophyll bifid, to 6 cm long including petiole and sheath; leaf segments 3-4-costate, c. 4 x 1.5 cm, cucullate, acuminate at tips.
In dipterocarp forest to 500 m. alt. Endemic.