Calamus nanodendron J.Dransf., Kew Bull. 45: 90 (1990)

Primary tabs

http://media.e-taxonomy.eu/palmae/photos/palm_tc_29758_2.jpg

Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Borneopresent (World Checklist of Arecaceae)B
Known from a single collection from Andulau Forest Reserve. Elsewhere known only in the First Division of Sarawak. Endemic. (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A

Discussion

  • C. nanodendron is a palm of kerangas or of forest transitional between kerangas and lowland dipterocarp forest. It is a most peculiar and distinctive species with its massive short, not climbing stem. Mature fruit has recently been collected for the first time in Sarawak. (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A

Common Name

  • Wi Mata Hari (Ib.) (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A

Etymology

  • Dwarf tree (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A

Uses

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

Description

  • Massive solitary short-stemmed rattan with erect or sometimes decumbent stem to c. 1 m only; stem without sheaths to c. 5 cm diam., with sheaths to 10 cm diam., internodes very short, to 3 cm only. Sheaths tubular at first, later splitting opposite the petiole for much of their length, dull green, densely covered with robust triangular green spines 5-70 × 3-6 mm, and scattered deciduous scale between the spines; spines around the sheath mouth sometimes more slender and erect; knee absent; ocrea inconspicuous. Flagellum absent. Leaf robust, ecirrate, arching, to 2.5 m long including the petiole to 50 cm; petiole deeply channelled, densely armed with horizontal spines 5-60 × 3-6 mm with swollen bases; leaflets c. 50 on each side of the rachis, narrow, very regular, the longest c. 50 × 2 cm in mid leaf, decreasing to c. 16 × 1 cm at the tip, transverse veinlets very fine and close. Inflorescences short, rarely more than 30 cm, the male with up to 5 partial inflorescences, the female with 2 or spicate; male rachilla curved, c. 5 cm long, the female c. 5.5 cm. Mature fruit rounded or somewhat top-shaped, c. 20 mm diam., covered in c. 26 vertical rows of dull straw-coloured scales. Seed ± oblate, 20 × 15 mm, very deeply grooved and pitted, the endosperm otherwise homogeneous. Seedling leaf not known. (Fig. 48, Pls 11B, 12A, 12B). (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A

Materials Examined

  • BEL: Sungai Liang, Andulau F.R, Wong 324. (J. Dransfield, The Rattans of Brunei Darussalam. 1997)A

Bibliography

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