Plectocomiopsis triquetra (Becc.) J.Dransf., Bot. J. Linn. Soc. 81: 6 (1980)

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Map uses TDWG level 3 distributions (
Borneopresent (World Checklist of Arecaceae)B
Known from one collection. Elsewhere in Sarawak, Sabah and Kalimantan. Endemic to Borneo. (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A



  • Moderate, clustering high-climbing rattan with stems to 40 m; stem without sheaths distinctly 3-angled, to 8 mm diam., with sheaths to 20 mm diam., internodes to 30 cm long, shorter in exposed stems. Leaf sheath dull to bright green, very sparsely armed with golden yellow horizontal spines to 1 cm arranged in a vertical line below the petiole and along the other 2 angles, also with scattered brown indumentum; knee absent; ocrea conspicuous, usually bright yellowish-brown, up to 2 cm, tightly enclosing the stem, distinctly longer on the side opposite to the petiole, tending to form a triangular limb. Leaf to 1.2 m including the petiole to 15 cm and cirrus to 60 cm, leaflets 5-10 on each side of the rachis, ± regularly arranged, narrow lanceolate, to 30 × 3 cm with very sparse marginal bristles. Inflorescences about 5 produced simultaneously, the male more finely branched than the female, to 35 cm, bearing pendulous branches to 18 cm; flowers in groups of 4-7. Mature fruit as in P. mira; details of scales not available. Seedling leaf not known. (Fig. 81, Pl. 16A, 16B). (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A

Materials Examined