| Dendrobium bullenianum photo C. Solimbergo | ||
| (Dendrobium topaziacum) |
| taxonomy | described by | Reichenbach, Heinrich Gustav |
| published in | Botanische Zeitung (Berlin) 20 : 214 1862 | |
| family | Orchidaceae | |
| subfamily | Epidendroideae | |
| tribe | Malaxiedae | |
| 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 | forests in The Philippines (Luzon, Babuyan, Leyte, Surigao), Samoa |
| altitude | 0 - 60 m (0 - 198 ft) | |
| habitat | climate informations from Faleoula (Samoa) | |
| Köppen climate classification : Af, humid tropical climate of the rainforest | ||
| (no winter season, more abundant rainfall) | ||
| the weather station data (temperatures are calculated for an altitude of 30 m / 99 ft) : | ||
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| photoperiod | in Faleoula this orchid bloom with a photoperiod, that varies during the year, from 12 h 54 m' to 11 h 06 m' | |
| life form | epiphyte | |
| brightness | sunny | |
| inflorescence | length | 3 cm (1.2"), from any node |
| nr flowers | 15 - 26 | |
| size | single flower 1 L 1.5 cm (0.4" L 0.6") - inflorescence 6 L 6 cm (2.4" L 2.4") | |
| duration | inflorescence ≈ 12 days | |
| time | to bloom from birth, ≈ 15 days | |
| CITES | appendix | II |
