| Dendrobium canaliculatum, var nigrescens | photo C. Solimbergo | |
| taxonomy | described by | Brown, Robert |
| published in | Prodromus Florae Novae Hollandiae 222 1810 | |
| var. nigrescens | described by | Nicholls, William Henry |
| published in | Australian Orchid Review 7 : 40 1942 | |
| family | Orchidaceae | |
| subfamily | Epidendroideae | |
| tribe | Malaxideae | |
| subtribe | Dendrobiinae | |
| genus | Dendrobium Swartz 1799 | |
| chromosomes | 2n = 38 | |
| 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 | on trunk or on branches next to streams' water in Australia (Queensland, from Cairns to Cape York), Papua |
| altitude | 0 - 760 m (0 - 2500 ft) | |
| habitat | climate informations from Mareeba (Queensland, Australia) | |
| Köppen climate classification : Cfa, humid subtropical climate in all seasons, with very hot summers | ||
| the weather station data (temperatures are calculated for an altitude of 400 m / 1320 ft) : | ||
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| photoperiod | in Mareeba this orchid bloom with a photoperiod, that varies during the year, from 13 h 08 m' to 10 h 52 m' | |
| life form | epiphyte | |
| brightness | sunny to full sun | |
| inflorescence | length | 20 - 30 cm (8" - 12"), from the upper nodes |
| nr flowers | 18 - 29 | |
| size | single flower 3 L 4 cm (1.2" L 1.6") - inflorescence 8 L 9 cm (3.2" L 3.6") | |
| duration | inflorescence ≈ 40 days | |
| time | to bloom from birth, ≈ 60 days | |
| CITES | appendix | II |
