| Dendrobium tetragonum, var. giganteum photo C. Solimbergo |
| taxonomy | described by | Cunningham, Allan |
| published in | Edwards's Botanical Register 25 : misc. 33 1839 | |
| var. giganteum | described by | Gilbert, P. A. |
| published in | Australian Orchid Rewiew 2 ( 4 ) : 20 1937 | |
| family | Orchidaceae | |
| subfamily | Epidendroideae | |
| tribe | Malaxideae | |
| subtribe | Dendrobiinae | |
| genus | Dendrobium Swartz 1799 | |
| 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 | near the coast in moist ravines or gorges, rainforest in Australia (Queensland, New South Wales, |
| south of Sidney, to Brisbane, Cook, Mt. Lewis, Mossman, Mt. Molloy, Coox, North Coas, Grafton area) | ||
| altitude | 500 - 1000 m (1650 - 3300 ft) | |
| habitat |
climate informations from Cooktown (Queensland, Australia) |
|
| Köppen climate classification : As, humid tropical climate, without a winter season, with dry summer climate | ||
| the weather station data (temperatures are calculated for an altitude of 750 m / 2475 ft) : | ||
 |
||
| photoperiod | in Cooktown this orchid bloom with a photoperiod, that varies during the year, from 13 h 00 m' to 11 h 00 m' | |
| life form | epiphyte | |
| brightness | partial shade to low | |
| inflorescence | length | 2 - 3 cm (0.8" - 1.2"), apical |
| nr flower | 4 - 6, fragrants | |
| size | single flower 10 L 3 cm (4" L 1.2") | |
| duration | single flower ≈ 30 days | |
| time | to bloom from birth, ≈ 15 days | |
| CITES | appendix | II |
