Calamus pseudofeanus S.K.Basu, J. Econ. Taxon. Bot. 13: 133 (1989)

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Content

Distribution

INDIA (Tamil Nadu). Endemic. (Basu, S.K. 1992: Rattans (canes) in India. A Monographic Revision)A

Biology And Ecology

  • The original specimens were collected from moist forests of Coimbatore. (Basu, S.K. 1992: Rattans (canes) in India. A Monographic Revision)A

Uses

  • The cane is strong and can be suitably utilised for making furniture. Intensive survey of this species is needed for assessing its cultivation prospects. (Basu, S.K. 1992: Rattans (canes) in India. A Monographic Revision)A

Description

  • A slender climber; stem without leafsheath smooth, light yellow in colour, 2 -4 cm in diameter near base; internodes smooth, to 20 cm long. Leaves ecirrate; leafsheath with flagellum; rachis slender, bifaced, upper margins of rachis infrequently armed with 2 mm long broad-based hooks; under surface armed with scattered, broad-based 1 mm long spines; leaflets alternate to subopposite; inequidistant, lower leaflets oblanceolate, to 30 cm long, 5 cm broad at widest part, wedge-shaped at base, apiculate at apices, prominently 5-nerved, nerves slightly bristly on upper side, spinulous at margins; middle leaflets elliptic to broadly lanceolate, to 20 cm long, 6 cm broad at middle, narrowly cuneate at base; upper leaflets sometimes 2-3 lobed at distal part; terminal leaflets irregularly connate at base, sometimes one attached slightly above the other. Female inflorescence flagelliform; partial inflorescences twice branched; rachillae scorpioid, to 8 cm long, 16 - 20 in number, each attached about 1 cm above the mouth of the respective basal bracts; secondary bracts funnel shaped; involucrophorum not pedicelliform, with a neuter flower on one side; involucre disc-like. Fruit globose to sub-globose, 1.5 x 1 cm, abruptly beaked with 3- distinct stigmatic projections; fruiting perianth cup-like at base; fruit scales deep yellow, wedge-shaped with lip-like postichous part, distinctly channelled at middle; seed ovoid, 10x8 mm; endosperm ruminate. (Basu, S.K. 1992: Rattans (canes) in India. A Monographic Revision)A

Materials Examined

  • Tamil Nadu : South Coimbatore, 17.10.1905,DFO s.n.(13sheets in CAL and 10 sheets in MH). (Basu, S.K. 1992: Rattans (canes) in India. A Monographic Revision)A

Bibliography

    A. Basu, S.K. 1992: Rattans (canes) in India. A Monographic Revision