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

Primary tabs

no image available

Distribution

Map uses TDWG level 3 distributions (https://github.com/tdwg/wgsrpd)
Malaya present (World Checklist of Arecaceae)B
Thailand present (World Checklist of Arecaceae)B
Perak: only known from the type (Scortechini 468b in Florence) and one collection by Kunstler (1871) from Gopeng. (Dransfield, J. 1979: A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.)A

Discussion

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

Etymology

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

Common Name

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

Bibliography

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