Renanthera, abbreviated as Ren in horticultural trade, is a genus of large scrambling monopodial epiphytic and terrestrial species of orchid found in China, the Himalayas, Southeast Asia, New Guinea, and Melanesia.[1] [2] [3]
Species in this genus produce a branched inflorescence containing numerous flowers ranging in color from yellow and orange to red. These flowers possess large lateral sepals.[3]
The following species ordered by sections are recognized by Plants of the World Online :[4]
| Image | Name | Distribution |
|---|---|---|
| Renanthera annamensis | Vietnam | |
| Renanthera auyongii | Borneo (Sarawak) | |
| Renanthera bella | Borneo | |
| Renanthera breviflora | Borneo (Sabah, Sarawak) to Philippines (Sulu Islands) | |
| Renanthera caloptera | Philippines to Papuasia. | |
| Renanthera chanii | Borneo (Sabah) | |
| Renanthera citrina | China (SE. Yunnan) | |
| Renanthera coccinea | China (SE. Yunnan, SW. Guangxi) | |
| Renanthera cornuta | Philippines | |
| Renanthera dentata | Borneo (Sarawak). | |
| Renanthera elongata | Thailand to W. Malesia and Philippines. | |
| Renanthera histrionica | Thailand to Malaya | |
| Renanthera imschootiana | Arunachal Pradesh to China (S. Yunnan) | |
| Renanthera isosepala | Myanmar to Peninsula Thailand. | |
| Renanthera matutina | Malesia | |
| Renanthera moluccana | Sulawesi to Papuasia. | |
| Renanthera monachica | Philippines (Luzon). | |
| Renanthera philippinensis | Philippines | |
| Renanthera porphyrodesme | Sumatera to Sulawesi, Papua New Guinea. | |
| Renanthera pulchella | Myanmar | |
| Renanthera storiei | Philippines. | |
| Renanthera vietnamensis | Vietnam | |
Species in this genus usually require an intermediate to hot climate with good air movement and generally bright light. Their scrambling style of growth means they are best grown on a hanging mount or basket. If they are grown in pots there must be excellent drainage.