Table 1. Distribution and utilization of the rattan genus Korthalsia in Thailand and other countries.
| Species | Distribution | Utilization |
|---|---|---|
| *1. Korthalsia angustifolia Blume | Borneo [Indonesia (Central and South Kalimantan)] | Not recorded |
| 2. Korthalsia bejaudii Gagnep. ex Humbert | Cambodia | Not recorded |
| 3. Korthalsia celebica Becc. | Indonesia [Sulawesi, Maluku (also called Moluccas)] | Not recorded |
| *4. Korthalsia cheb Becc. | Borneo [Malaysia (Sabah, Sarawak), Indonesia (East and South Kalimantan)] | The stems of Korthalsia cheb are used for making baskets and as binding material for constructing pig-sties (Shahimi et al., 2019). |
| 5. Korthalsia concolor Burret | Borneo | Not recorded |
| 6. Korthalsia debilis Blume | Indonesia (Sumatra), Borneo | Not recorded |
| *7. Korthalsia echinometra Becc. | Peninsular Malaysia [Perak, Terengganu, Pahang, Johor (also spelled Johore)], Singapore, Indonesia (Sumatra), Borneo [Brunei, Malaysia (Sabah, Sarawak), Indonesia (Kalimantan)] | The canes of Korthalsia echinometra are used to make basket frames, weaving handicrafts and also to tie planks on dugouts to raise the side wall of canoes. Sap can be drunk for fever (Shahimi et al., 2019). |
| 8. Korthalsia ferox Becc. | Borneo | The large diameter canes of Korthalsia ferox are used in the construction of large fish-traps out at sea, and occasionally for the framework of cheap armchairs (Dransfield, 1981). |
| The stems of Korthalsia ferox are used in the treatment of heartburn or stomach pain and the shoots are cleaned and then eaten directly (Nugroho et al., 2022). | ||
| **9. Korthalsia flagellaris Miq. | Peninsular Thailand, Peninsular Malaysia (Pahang, Selangor), Singapore, Indonesia (Sumatra), Borneo [Brunei, Malaysia (Sabah, Sarawak), Indonesia (East, Central and South Kalimantan)] Distribution in Thailand. Peninsular: Narathiwat (Fig. 2A) |
The large diameter canes of Korthalsia flagellaris are used in the construction of large fish-traps out at sea, and occasionally for the framework of cheap armchairs (Dransfield, 1981). Produces a coarse cane (Barfod & Dransfield, 2013). |
| *10. Korthalsia furcata Becc. | Borneo [Malaysia (Sarawak), Indonesia (West Kalimantan)] | Not recorded |
| *11. Korthalsia furtadoana J. Dransf. | Borneo [Brunei, Malaysia (Sabah), Indonesia (Central, East and South Kalimantan)] | Not recorded |
| *12. Korthalsia hispida Becc. | Peninsular Malaysia (Pahang, Johor), Indonesia (Sumatra), Borneo [Brunei, Malaysia (Sabah, Sarawak), Indonesia (East and South Kalimantan)] | Fibres of Korthalsia hispida are used for the plaiting of baskets, craft and binding constructions (Shahimi et al., 2019). |
| 13. Korthalsia jala J. Dransf. | Borneo | Not recorded |
| 14. Korthalsia junghuhnii Miq. | Indonesia (Java) | Not recorded |
| **15. Korthalsia laciniosa (Griff.) Mart. | Andaman and Nicobar Islands, Southern Myanmar (Mergui Archipelago), Indo-China (Vietnam, Laos, Cambodia), Peninsular Thailand, Peninsular Malaysia (Kedah, Perak, Terengganu, Pahang, Selangor, Negeri Sembilan, Johor), Singapore, Indonesia (Sumatra, Java), Philippines (Luzon, Palawan, Mindanao) Distribution in Thailand. South-Eastern: Chanthaburi, Trat; Peninsular: Chumphon, Surat Thani, Krabi, Nakhon Si Thammarat, Phatthalung, Trang, Satun, Songkhla, Yala, Narathiwat (Fig. 2B) |
The large diameter canes of Korthalsia laciniosa are used in the construction of large fish-traps out at sea, and occasionally for the framework of cheap armchairs (Dransfield, 1981). It is a source of durable and flexible cane and used in making fence, rafts and as an ornamental species (Baja-Lapis, 2009; Senthilkumar et al., 2014; Dasgupta et al., 2021). The species has a high market demand, but is exported in limited quantity (3%) due to significant local demand (Senthilkumar et al., 2014). K. Rubeli observed Southern Pied Hornbills (Anthracoceros convexus) feeding on the ripe fruits of Korthalsia laciniosa in Taman Negara, Pahang, Peninsular Malaysia in 1978 (Dransfield, 1981, personal communication). Produces a coarse cane (Barfod & Dransfield, 2013). Young K. laciniosa seedlings are used as indoor plants and ornamental garden plants. The leaves are used in flower arrangements (Baja-Lapis, 2009). |
| 16. Korthalsia lanceolata J. Dransf. | Peninsular Malaysia | Not recorded |
| 17. Korthalsia merrillii Becc. | Philippines | Not recorded |
| 18. Korthalsia minor A. J. Hend. & N. Q. Dung | Vietnam, Laos | Not recorded |
| 19. Korthalsia paucijuga Becc. | Indonesia (Sumatra), Borneo | Not recorded |
| **20. Korthalsia rigida Blume | Southern Myanmar (Mergui Archipelago), Peninsular Thailand, Peninsular Malaysia [Perak, Kelantan, Pahang, Selangor, Negeri Sembilan, Maleka (also spelled Malacca), Johor], Singapore, Indonesia (Sumatra), Borneo [Brunei, Malaysia (Sabah, Sarawak), Indonesia (North, East, Central, and South Kalimantan)], Philippines (Palawan) Distribution in Thailand. Peninsular: Ranong, Trang, Narathiwat (Fig. 2C) |
Produces a coarse cane (Barfod & Dransfield, 2013). |
| *21. Korthalsia robusta Blume | Indonesia (Sumatra), Borneo [Malaysia (Sabah, Sarawak), Indonesia (East, Central, and South Kalimantan)], Philippines (Palawan) | The stems of Korthalsia robusta are used for tying and weaving of baskets, handicraft and construction and the shoots are edible (Shahimi et al., 2019). |
| 22. Korthalsia rogersii Becc. | Andaman Islands | The stems of Korthalsia rogersii are use in handicraft industries and the leaves are used for decorative purposes (Senthilkumar et al., 2014). |
| *23. Korthalsia rostrata Blume | Peninsular Malaysia (Perak, Terengganu, Pahang, Selangor, Melaka, Johor), Singapore, Indonesia (Sumatra), Borneo [Brunei, Malaysia (Sabah, Sarawak), Indonesia (Central, East and West Kalimantan)] | The stems of Korthalsia rostrata are used for weaving basket and mats (Shahimi et al., 2019). The slender canes are used in some basketry and for tying (Barfod & Dransfield, 2013). |
| *24. Korthalsia scaphigeroides Becc. | Philippines (Mindanao) | The stems of Korthalsia scaphigeroides are used to make furniture and basket (Shahimi et al., 2019). |
| */**25. Korthalsia scortechinii Becc. | Peninsular Thailand, Peninsular Malaysia (Kedah, Penang, Perak, Pahang, Negeri Sembilan, Johor) Distribution in Thailand. Peninsular: Narathiwat (Fig. 2D) |
The canes of Korthalsia scortechinii are used to make baskets, also as binding material (Shahimi et al., 2019). |
| 26. Korthalsia tenuissima Becc. | Peninsular Malaysia | Not recorded |
| 27. Korthalsia zippelii Blume | New Guinea, Bismarck Archipelago | Not recorded |
Notes:
*
Myrmecophilous rattans.
**
Korthalsia species found in Thailand.