Vallisneria sp. Asiatica common name Corkscrew Val from the family Hydrocharitaceae originates from South East Asia and can grow to a height 20 cm - 50 cm. Vallisneria sp. Asiatica has beautiful twisted, green leaves that would make it stand out among other plants within your aquarium. It differs from other Vallisneria species as it has shorter leaves that do not over shadow other plants. For best results and to promote growth ensure a nutrient rich substrate.