| Calanthe rubens photo C. Solimbergo |
| taxonomy | described by | (Ridley) Ridley, Henry Nicholas |
| published in | The Flora of Malay Penissula 4 : 123 1924 | |
| taxonomy | family | Orchidaceae |
| subfamily | Epidendroideae | |
| tribe | Collabieae | |
| subtribe | ||
| genus | Calanthe R Brown 1821 | |
| chromosomes | 2n = 42 | |
| metabolism | C3 pathway, stomata of the leaves are open during the day. | |
| (K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013) | ||
| soluble mineral nutriens are effective both, foliar or on the roots. | ||
| native of | origin | Thailand (Yanyao, Surat, Kao Sisiat, Korat, Adang, Satul, Muak Lek, Chiang Mai, Tung Wa, Kao Pang-nga, |
| Pang-nga, Kao Sabap, Chantabun), Tha Philippines (Luzon, La Trinidad, Baguio, Benguet) | ||
| altitude | 0 - 800 m (0 - 2640 ft) | |
| habitat | climate informations from Chiang Mai (Roi Et, Thailand) | |
| Köppen climate classification : Aw, tropical savanna climate (with a dry season and a rainy season) | ||
| the weather station data (temperatures are calculated for an altitude of 400 m / 1320 ft) : | ||
 |
||
| photoperiod | in Chiang Mai this orchid bloom with a photoperiod, that varies during the year, from 13 h 14 m' to 10 h 46 m' | |
| life form | geophyte | |
| brightness | partial shade | |
| inflorescence | length | 40 - 70 cm (16" L 28"), basal |
| nr flowers | 8 - 12 | |
| size | single flower 4 L 4 cm (1.6" L 1.6") | |
| duration | inflorescence ≈ 50 - 60 days | |
| time | to bloom from birth, ≈ 100 days | |
| CITES | appendix | II |
.
