| Haraella retrocalla photo C. Solimbergo | ||
| taxonomy | described by | (Hayata) Kudo,Yushun |
| published in | Journal of the Society of Tropical Agriculture 2 : 27 1930 | |
| family | Orchidaceae | |
| subfamily | Epidendroideae | |
| tribe | Vandeae | |
| subtribe | Aeridinae | |
| genus | Haraella Kudo1930 | |
| 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 of Taiwan |
| altitude | 900 - 2000 m (3000 - 6600 ft) | |
| climate |
climate informations from Alishan (Taiwan) |
|
| Köppen climate classification : Cfb, humid subtropical climate in all seasons, with hot summers | ||
| the weather station data (temperatures are calculated for an altitude of 1500 m / 4850 ft) : | ||
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| photoperiod | on Alishan this orchid bloom with a photoperiod, that varies during the year, from 13 h 33 m' to 10 h 27 m' | |
| life form | epiphyte | |
| brightness | partial shade | |
| inflorescence | length | 2,5 cm (1"), axillary |
| nr flowers | 2 - 3, fragrants | |
| size | single flower 2,5 L 2,5 cm (1" L 1") | |
| duration | single flower ≈ 8 days - inflorence ≈ 20 days | |
| time | to bloom from birth ≈ 60 days | |
| CITES | appendix | II |
