Slender clustering undergrowth palm. STEMS to 2 m or more tall, 5-10 mm diam., internodes to 9 cm long near the stem base, decreasing to 0.8-1.2 cm long near the crown, basally bearing abundant chocolate-brown caducous scales, glabrescent distally; crown with c. 4-6 leaves; leaf-sheaths 5-7 cm long, forming a crownshaft, striate, covered with caducous chocolate-brown scales, auricles scarcely developed or to 10 x 2 mm, membranous. LEAF to 43 cm long including petiole; petiole 3-12 cm long, 1.5-3 mm wide, ± triangular in cross-section, bearing sparse caducous pale and chocolate-brown scales; rachis 10-29 cm long, bearing 2-3 or 7-9 (see notes below) narrow, ± approximate, regularly arranged leaflets on each side; leaflets 9-30 x 0.7-2.1 cm, drying dark or pale Dypsis angusta. Inflorescence, Vatovavy (Dransfield & Beentje JD7514) greenish brown, composed of 1-4 folds, acuminate, adaxially with sparse minute punctiform scales, abaxially minutely roughened and with scattered punctiform scales. INFLORESCENCE interfoliar, shorter than the leaves, sparsely branched to 1 (-2) orders, basal 1 or 2 first order branches sometimes branched; peduncle 7-18 cm long, c. 2.5 mm diam., densely covered in caducous, dark brown laciniate scales; prophyll 12-16 x 0.7-1cm, bearing scattered pale or dark brown scales; peduncular bract 8-10 x 0.7-1 cm, similar to prophyll; rachis 4-9 cm long, c. 2.5 mm diam., densely scaly as the peduncle; rachillae 2-20, rather short and stocky, 2-7 cm long, c. 1.5-2.5 mm diam. bearing rather dense chocolate-brown scales; triads c. 1 mm distant in newly emerged inflorescence, eventually c. 3 mm distant. STAMINATE FLOWERS c. 1 mm diam.; sepals broad, rounded, imbricate, somewhat striate, c. 0.7 x 0.7 mm; petals rounded triangular, 1 x 0.8 mm; stamens 3, antepetalous, filaments 0.8 x 0.3 mm, anthers 0.4 x 0.2 mm; staminodes tooth-like, 0.3 x 0.2 mm; pistillode very small. PISTILLATE FLOWER bud immature, c. 1 x 1 mm; sepals rounded, imbricate, c. 1 x 1 mm; petals triangular, c. 1 x 0.6 mm; staminodes 3, minute; immature ovary c. 0.4 mm diam. Mature FRUIT unknown.