Calamus lambirensis J.Dransf., Kew Bull. 45: 89 (1990)

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Known from Andulau and Bukit Biang and from the Lambir Hills National Park in Sarawak. Endemic to Borneo. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A


  • C. lambirensis grows on podsolized ridge tops in the lowlands and uplands. The ridges on the leaf sheaths suggest affinity withC. muricatus and C. zonatus. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A


  • From Bt Lambir, Sarawak, the type locality (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Common Name

  • Uwai Pagau (Dus., Br.) (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A


  • Not known. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A


  • Slender clustering rattan climbing to 3 m; stem without sheaths 4-5 mm diam., with sheaths 8-10 mm diam., internodes c. 8-12 cm long. Sheaths dull dark green, drying brown, armed with scattered and partially whorled short triangular spines to 4 mm interspersed with very fine close, minutely spiny ridges encircling the sheath, grey indumentum abundant between the ridges; knee present but rather poorly developed; ocrea short, tattering, minutely ridged. Flagellum to 1 m or more. Leaf ecirrate, to c. 75 cm including the petiole to 13 cm; petiole armed with scattered reflexed and horizontal spines and a few ridges near the base; leaflets 9-13 on each side of the rachis, rather distant but ± regularly arranged, the longest to c. 25 × 1.5 cm, the shortest at the leaf tip c. 14 × 1.2 cm, rather narrow, gradually narrowed to a long slender tip, minutely bristly on the lower surface. Inflorescences flagellate, to c. 2 m, with about 3 very distant partial inflorescences; prophyll very tightly sheathing, elongate, armed with short prickles and ridges; partial inflorescences to c. 30 cm long, very lax and slender, bearing distant rachillae, the male to c. 3 cm, the female to c. 5 cm, each with distant large flowers borne on large flower cushions. Mature fruit ± top-shaped, c. 7 mm diam., conspicuously beaked, and covered in c. 15 vertical rows of chestnut brown scales. Seed c. 5 mm diam., rounded; endosperm homogeneous. Seedling leaf bifid. (Fig. 65). (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Materials Examined

  • BEL: Sungai Liang, Andulau F.R, Wong 30; Sungei Liang, Andulau F.R., Dransfield J. 7236. TEM: Bangar, Bt.Biang, Ashton A 90. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A


    A. Dransfield, J. 1997: The Rattans of Brunei Darussalam