Calamus radulosus Becc., Fl. Brit. India 6: 443 (1892)

Primary tabs

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Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Malayapresent (World Checklist of Arecaceae)B
Thailandpresent (World Checklist of Arecaceae)B
Perak: only known from the type (Scortechini 468b in Florence) and one collection by Kunstler (1871) from Gopeng. (J. Dransfield, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979)A

Discussion

  • This rattan has not been seen in the field. Its armature is very distinctive; otherwise it might be confused with C. demiflorus. (J. Dransfield, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979)A

Common Name

  • rotan ? (J. Dransfield, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979)A

Etymology

  • Radulosus - rasp-like (J. Dransfield, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979)A

Description

  • ? Solitary or ? clustering rattan climbing to 10-15 m. Stem without sheaths 1.5 cm in diameter, with sheaths to 3 cm. Internodes about 15 cm long. Sheaths densely armed with triangular swollen based spines about 6 mm long, obliquely aligned and somewhat upward pointing. Knee present. Ocrea inconspicuous. Flagellum present. Leaf ecirrate to about 1.5 m long; petiole absent. Leaflets numerous, regular, close, narrow, the longest to 45 cm long by 2.5 cm broad, the two terminal leaflets smallest, joined briefly. Female inflorescence ending in a flagellum, bearing partial inflorescences to 1 m long, bearing up to 15 rachillae on each side, with rachillae to 10 cm long. Bracts densely armed with small spines. Mature fruit not known. (J. Dransfield, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979)A

Bibliography

    A. J. Dransfield, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979
    B. World Checklist of Arecaceae