| Caularthron bicornutum photo C. Solimbergo |
| taxonomy | described by | Rafinesque, Costantine Samuel |
| published in | Flora Tulluriana 2 : 41 jan - mar 1837 | |
| family | Orchidaceae | |
| subfamily | Epidendroideae | |
| tribe | Epidendreae | |
| subtribe | Laellinae | |
| genus | Caularthon Rafinesque 1837 | |
| metabolism | CAM pathway, stomata of the leaves are open at night. | |
| (K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013) | ||
| it is useful give the soluble mineal nutriens, on the roots. | ||
| native of | origins |
dry forests in the Caribbean, Suriname, Guyana (Essequibo Islands, Repunumi, Akaio Falls, Cuyuni River), |
|
Trinidad & Tobago (Broadway), ,Venezuela (Amazonas, Bolivar, Monagas, Sucre), Colombia, |
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|
Brazil (Amazonas, Rondônia, Roraima) |
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| altitude | 0 - 140 m (0 - 462 ft) | |
| habitat | climate informations from Maturin (Monagas, Venezuela) | |
| 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 70 m / 231 ft) : | ||
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| photoperiod | in Maturin this orchid bloom with a photoperiod, that varies during the year, from 12 h 38 m' to 11 h 22 m' | |
| life form | epiphyte or litophyte |
|
| brigthness | sunny to full sun | |
| inflorescence | length | 16 - 20 cm (6" - 8"), apical |
| nr flowers | 4 - 6, fragrant | |
| size | single flower 4 L 6 cm (1.6" L 2.4") - inflorescence 7 L 6 cm (2.8" L 2.4") | |
| duration | inflorescence ≈ 30 - 35 days | |
| time | to bloom from birth, ≈ 60 - 90 days | |
| CITES | appendix | II |
