When I crochet something from nature, I like to make it as realistic as possible. I rarely see a single orchid flower on a stem with a single leaf. So, to complete your Phaleonopsis orchid project, here are a young, newly opening orchid flower and two flower buds that are still developing, and a pattern to attach all the pieces together on a branch.
Here is the pattern for the Mature Orchid Flower.
Here is the pattern for the Orchid Leaf.