Dendrobium tobaense photo C. Solimbergo |
taxonomy | described by | Wood, Jeffrey James & Comber, James Boughtwood |
published in | Lindeyana 8 ( 3 ) : 115 1993 | |
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 | pine or fir forests in northern Sumatra (Toba Lake, Mt. Dolok) ) |
altitude | 1500 m Lake Toba (4950 ft) / 1000 - 1300 m Mt. Dolok (3300 - 4290 ft) | |
habitat |
climate informations from Toba (North Sumatra, Indonesia) |
|
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 1250 m / 4125 ft) : | ||
photoperiod | in Toba this orchid bloom with a photoperiod, that varies during the year, from 12 h 10 m' to 11 h 50 m' | |
life form | epiphyte | |
brightness | partial shade | |
inflorescence | length | 2 cm (0.8"), from the upper nodes |
nr flowers | 1 | |
size | single flower 6 L 6 cm (2.4" L 2.4") | |
duration | single flower, ≈ 40 days | |
time | to bloom from birth, ≈ 120 days | |
CITES | appendix | II |