Korthalsia cheb Becc., Malesia 2: 67 (1884)

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Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Borneopresent (World Checklist of Arecaceae)B
Very local, known from a few collections from the 1st Division. Elsewhere in Sabah, W., S., and E. Kalimantan, apparently always very local. Endemic to Borneo. (J. Dransfield, The Rattans of Sarawak. 1992)A


Biology And Ecology

Common Name




  • Robust clustering and branching rattan climbing to 40 m. Stem without sheaths to 2 cm diam., with sheaths to 3 cm diam., internodes to 20 cm long. Sheaths bright green, ± unarmed except for a few short spines to 2 mm, bearing caducous brown scales, but ± completely covered by the ocrea of the preceding leaf, ocrea very large and conspicuous, tightly sheathing just above the petiole then greatly inflated, the inflated portion to 25 x 4.5 cm, bearing few scattered short triangular spines to 5 mm with broad bases to 10 mm, and thin buff indumentum; ants abundant. Leaf to 2.25 m including the cirrus to 1 m; petiole to 10 cm in young shoots, ± absent in exposed stems; leaflets to 7 on each side of the rachis, large diamond-shaped, to 30 x 15 cm borne on stalks to 1 cm; upper leaflet surface bright green, lower buff-coloured. Inflorescence to c. 75 cm, bearing numerous rachillae to 18 x 0.8 cm, rachillae dull mid brown tomentose. Ripe fruit somewhat oblong, 1.5 x 1 cm covered in 18 vertical rows of straw-coloured scales. Seed 12 x 8 mm; endosperm deeply ruminate. Seedling leaf not known. (J. Dransfield, The Rattans of Sarawak. 1992)A