Hygrophila corymbosa ''Red''

Hygrophila corymbosa 'Red' is listed as a form of giant hygrophila, a stem plant in the acanthus family.¹ The species is widespread across South-East Asia; as a marsh plant it colonises wet sites and can grow both submersed and emersed.¹² Several genetically fixed forms with markedly different leaf shapes and sizes are cultivated; reddish forms only show to full advantage in a bright, unshaded position.¹ Whether 'Red' corresponds to one of these forms is not stated in the literature.¹

In the aquarium the plant is regarded as easy and fast-growing. It is suitable for the midground and background, for plant streets in the Dutch style and, semi-emersed, for open tanks; it is propagated from cuttings.