Korthalsia furtadoana J.Dransf., Kew Bull. 36: 185 (1981)

Primary tabs

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Distribution

Map uses TDWG level 3 distributions (https://github.com/tdwg/wgsrpd)
Borneo present (World Checklist of Arecaceae)B
A local rattan found scattered in Brunei at altitudes up to 550 m above sea level. Elsewhere widespread throughout the northern part of Borneo. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Discussion

  • It is distinctive when fertile, but is much more difficult to determine when sterile. For differences between this species and closely related K. rostrata, see under the latter. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Biology And Ecology

  • K. furtadoana occurs sporadically in lowland forest. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Etymology

  • C.X. Furtado, important palm botanist at Singapore Botanic Gardens, active 1930-1960 (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Uses

  • Not specifically recorded but it has a durable slender cane. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Description

  • Slender, clustering, high-climbing rattan, branching in the canopy, to 20 m or more. Stem without sheaths 5-8 mm diam., with sheaths 8-10 mm diam., internodes 8-15 cm. Sheaths mid to pale green, armed with scattered triangular black spines 1-4 mm and caducous dark scales. Ocrea inflated, 3-7 × 1.2-1.5 cm, armed with sparse triangular black spines to 4 mm; ants usually abundant. Leaf to 105 cm including cirrus to 60 cm and petiole to 7 cm; leaflets 4-6 on each side of the rachis, generally rather narrow rhomboid, to 20 × 7 cm, borne on short stalks to 3 mm, upper leaflet surface bright green, whitish indumentum beneath; transverse veinlets close, fine, conspicuous. Inflorescences usually only 2 produced, each usually with 4 or fewer rachillae; rachillae robust, 14-17 × 1.5-2 cm, not tomentose in appearance, the rachilla bracts conspicuous. Fruit ovoid, to 20 × 12 mm, covered in 21-22 vertical rows of reddish brown scales. Seed to 12 × 9 mm; endosperm deeply ruminate. Seedling leaf bifid. (Fig. 8). (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Materials Examined

  • TEM: Johns 7282; Amo, Stockdale 68; Amo, Wong 1326; Batu Apoi, Selapon, Dransfield J. 7477. TUT: Lamunin, Ladan Hills F.R., Dransfield J. 6875. (Dransfield, J. 1997: The Rattans of Brunei Darussalam)A

Bibliography

    A. Dransfield, J. 1997: The Rattans of Brunei Darussalam
    B. World Checklist of Arecaceae