| Oeoniella polystachys | photo C. Solimbergo | |
| taxonomy | described by | (Thouras) Schlechter, Friedrich Richard Rudolf |
| published in | Beiefte zum Botanischen Centralblatt 36 ( 2 ) : 177 1918 | |
| family | Orchidaceae | |
| subfamily | Epidendroideae | |
| tribe | Vandeae | |
| subtribe | Angraecinae | |
| genus | Oeoniella Schlechter 1918 | |
| 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 | humid forests in Madagascar (Antsiranana,Toamasina, Anosy, Masoala, Toliara, Ansirabe, Sambava, |
| Ambatondrazaka), Comoros, Mascarene, Seychelles | ||
| altitude | 0 - 1155 m (0 - 3811 ft) | |
| habitat |
climate informations from Sambava (Sava, Antisaranana, Madagascar) |
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Köppen climate classification : Af, humid tropical climate of the rainforest |
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(without a winter season, more and abundant rainfall) |
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the weather station data (temperatures are calculated for an altitude of 600 m / 1980 ft) : |
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| photoperiod | in Sambava this orchid blooms with a photoperiod, which varies during the year, from 12 h 57 m' to 11 h 03 m' | |
| life form | epiphyte | |
| brightness | partial shade | |
| inflorescence | length | 10 - 13 cm (4" - 5.2"), axillary |
| nr flowers | 8 - 10, fragrants | |
| size | single flower 2 L 4 cm (0.8" L 1.6") - inflorescence 12 L 4 cm (4.8" L 1.6") | |
| duration | inflorescence ≈ 40 days | |
| time | to bloom from birth, ≈ 80 - 90 days | |
| CITES | appendix | II |
