Calamus flagellum Griff. ex Walp., Ann. Bot. Syst. 3: 484 (1852)

Primary tabs

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Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Assam present (World Checklist of Arecaceae)B
Bangladesh present (World Checklist of Arecaceae)B
China South-Central present (World Checklist of Arecaceae)B
East Himalaya present (World Checklist of Arecaceae)B
Laos present (World Checklist of Arecaceae)B
Myanmar present (World Checklist of Arecaceae)B
Thailand present (World Checklist of Arecaceae)B
Tibet present (World Checklist of Arecaceae)B
Vietnam present (World Checklist of Arecaceae)B
INDIA (Sikkim, Assam, West Bengal, Meghalaya), BANGLA DESH, BHUTAN. (S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992)A

Discussion

  • Infrequent in its natural habitats. (S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992)A

Biology And Ecology

  • A component of mixed forests on lower and middle hills of the Eastern Himalaya. (S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992)A

Common Name

  • Putli bet, Rabi bet, Reem (S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992)A

Uses

  • Unknown. The strength property of the cane is yet to be determined. (S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992)A

Description

  • A strong climber; stem cluster forming, with leafsheath to 4.5 cm in diameter. Leaves ecirrate; leafsheath with 6 - 7 m long heavily armed flagellum; ocrea marcescent; petiole terete, about 1 cm in diameter, armed with whorls of 1 - 3 cm long subulate spines; leaflets equidistant, many, green on both sides, broadly ens iform, prominently 1-nerved on upper side; middle leaflets longer, to 60 cm long; uppermost leaflets connate up to the middle; midnerve and marginal nerves bristly; rachis heavily armed on lower side with strong claws at intervals. Male and female inflorescences flagelliform, to 5 m or more long, simply-decompound; axial part of the inflorescence armed with claws; partial inflorescences about 1 m long with 3-4 rachillae on each side; primary bract tubular, closely sheathing, lacerate and fibrous at upper part; secondary bracts unarmed, tubular, narrowly funnel shaped, obliquely truncate with triangular appendage on one side; rachillae 10-25 cm long slightly compressed; each bearing 10-30 distichous to remote flowers; involucre cupular; male flowers 8 - 10 mm x 3 mm, curved outside; female rachillae remote, 20-25 cm long; involucrophorum unilaterally cupular, truncate, projected from the basal bract; involucre cupular, truncate, entirely sunken in involucrophorum; female flowers 7 mm long; calyx ovate, 3-dentate; petals lanceolate. Fruit about 3 cm long, broadly ovoid; fruit scales deeply channelled at middle; seed terete in cross section; embryo basal. (S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992)A

Cultivation

  • A small number of cane bushes have been raised in North Bengal, under D.F.O. North Silviculture Division, West Bengal. (S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992)A

Bibliography

    A. S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992
    B. World Checklist of Arecaceae