940919: Flowers (cultivation specimens), May 28, 1994

940921: Flower with pollinator (cultivation specimens), May 28, 1994

940715a: Habitus (cultivation specimens), May 21, 1994

A cultivation hybrid between P. grandiflora and P. vallisneriifolia caused by insects (flies, bumblebees) pollinating cultured plants. There is no common natural site of both species.