Coelogyne usitana

Found only on Mindanao Island in The Philippines at elevations around 800 meters as a small to medium sized, hot to warm growing epiphyte or lithophyte with close set, narrowly ovoid, 4-angled, ancipitous pseudobulbs enveloped basally by 3 to 4 membraneous, narrowly ovoid bracts and carrying a single, apical, broadly elliptical, acute, plicate, 5 to 7 nerved, gradually narrowing below into the short petiolate base leaf that blooms at any time of the year but mostly from spring to summer with an erect to then pendulous, to 12" [30 cm] long, fractiflex rachis, successively single, few to many [to 20] flowering, to 22" [55 cm] long inflorescence arising on a newly developing pseudobulb with wide spread, downward facing flowers open at any one time.

This type of orchid belongs to the warm temperate temperature regime, and throughout the year include orchids recommended under the following conditions:

Day: 20-25 ° C;

Overnight: at least + 15 ° C.

For the successful cultivation of Coelogyne usitana at home is necessary to always keep the night temperature was 4-5 ° C degrees lower than daytime. For example, if day + 25 ° C, then over night no 20-21 ° C.

Coelogyne usitana requires relatively high humidity, at least 70-90%. Too dry air has a negative impact on the development of the plant and its growth decelerated, and pseudobulbs obtained underdeveloped. When growing this type of orchid it is strongly recommended to use humidifiers.

When caring for this type of orchid is the rule: "The higher the thermometer, the higher the humidity, and the higher the humidity, the need to ventilate the room more often and longer, which contain orchids, otherwise the probability of decay and appearance on leaves of various kinds of fungal diseases.

Coelogyne usitana | photos by © Sveti