Coelogyne
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Naming of Coelogyne
The name Coelogyne has Greek origins. "Kolos" means "hollow" and "gyne" means "female".
The genus Coelogyne was established by John Lindley in 1821 to merge several different species. It contains about 200 species. Its origins are in South East Asia.
Today we divide the genus Coelogyne depending on the mode of inflorescence:
1. The flower appears after the pseudobulb has fully grown.
2. The flower appears while the pseudobulb is growing.
3. The flower appears before the pseudobulb develops.
4. The flower comes out of a sprout which produces both pseudobulbs and leaves.
John Lindley
Cultivation
Most species grow best in flat bowls, species with hanging inflorescences should be suspended while flowering. Nearly all species grow very well in half shady temperated places. Species like Coelogyne dayana and Coelogyne massangeana that have strong leaves can also support sunlight.
In spring and sommer when the new sprout has started to grow, the plants should be watered regularly. As soon as the roots have developed, you can also give (a generous amout of) fertilizer. Keep the plant a bit drier in autumn and winter (Pseudobulbs should not shrink), reduce fertilizer. A descent of temperature is not necessary.