One of the most popular 'Amazon-swords' the Echinodorus bleheri' can grow up to 60 cm in height and the mature plants can have up to 50 leaves, each growing around 3-6cm in size. Also known as Echinodorus paniculatus it's really easy to grow and will require little care for hobbyists making it perfect for beginners and up.Because this aquarium plant grow large, it's often used as a focal point so bare that in mind. However in larger tanks they look better placed behind stones.
In a CO2 infused tank, you'll be amazed at how quick new leaves grow and if you look carefully you will also see tiny oxygen bubbles coming from the leaves, another indication that it's growing fast.
Aqua Essentials Echinodorus bleheri (Amazon sword) B07Q4WJWSJ