Calamus pseudotenuis  Becc. & Hook. f.

Calamus pseudotenuis  Becc. & Hook. f.   (PALMAE)

Common name
Tamil:
 Perumperambu.

Description: Clustering, high climbing canes; stem 5-7 m long. Leaves up to 1.6 m long, ecirrate; petioles up to 22 cm long spiny; rachis spiny; sheath yellowish green, brown tomentose, densely spiny, spines up to 3.5 cm long, yellow, intermingled with thin smaller spines, mouth of sheath with longer spines; knee sometimes present; ocrea large, ca 10 cm long; flagellum up to 3 m long; leaflets more or less equidistant, linear-lanceolate, ca 50 x 2.5 cm, apex usually bristly-penicillate, 3-veined. Male inflorescence ca 3 m long, branching to 3 orders; female inflorescence ca 3 m long, branching to 2 orders. Fruits subovoid, ca 1.5 x 0.8 cm; scales in 18 rows, greenish yellow with dark brown margins. Endosperm ruminate.

Flowering : October- February and July.
Fruiting : April – June and October - November.

Distribution: India: In evergreen forests of Western Ghats, usually above 750 m. Karnataka, Tamil Nadu and Kerala. Sri Lanka.

Uses:  Used in furniture industry and basket-making.