Dendrobium sylvanum is a species from PNG.
The photo is from one of the parents. Both parents have bright yellow flowers on upright inflorecences and good flower count.
The flower shape is much better than type form of sylvanum.
Ideal conditions are
- medium to high filtered light,
- warm to hot locations
- in a well drained mix that dries before it is watered again.
They can be grown on a mount.