2” pot. Also known as Prosthechea ionophlebia, this Central American species blooms in spring with “upside-down” flowers that have the lip pointing upward. The flowers are white, with broader petals and sepals than Prosthechea cochleata , but very similar to Prosthechea radiata, shown in the photo. The flowers have a shell-shaped white lip with prominent purple stripes. The plants are compact, medium sized, with cute round pseudobulbs.