Ammannia crassicaulisAmmannia crassicaulis (formerly named Nesaea crassicaulis) from Africa is a beautiful and highly recommended aquarium plant, although it has high light demands. It has red brown, cognac coloured leaves. Stems becomes 30 50 cm and 8 15 cm wide. Grows best in soft and slightly acidic water. Make sure the lower leaves get sufficient light or they will die off. This plant is similar to Ammannia species and is often mistaken for them. But in the aquarium