Calamus optimus Beccari/Rotan Taman

Vernacular names Indonesia : Rotan Taman (Central Kalimanatan), Suko (South Kalimanatan) and Rotan sego ( Bengkulu, Sumatra).

Origin and geographic distribution, C optimus becc is found in Borneo Island and sumatra Island, it has apparently been cultivated by villagers in Sampit and Muara Aman Central Kalimantan ever C. caesius Blume has been cultivated in that area. In Central and Sout Kalimantan the split cane is important in commerce for weaving, making mats, to bind furniture and as cordage.

Production and international trade, The canes of C. optimus becc are apparently treated inthe same way as C. caesius and are sold mixed with the latter species. The cane has a quality similar to taht of C. caesius, except it is benerally slighter larger in diameter. it is a resilient and durable cane wit a smooth golden surface, its uniform texture make it particularly suitable to be split into fine strips (chair cane). The quality of the cane is adversly affected by poor processing, it also depends on factors such as age, moisture content and light conditions during growth. (Prosea-rattan)