Originating from North America the Penthorum sedoides is a low maintenance, easy growing stem plant. Another new plant from Tropica. Seems like they do the sourcing of this plant and then other growers jump on their ship. I might be wrong though (just seems like that). Anyway, looks pretty cool.
Found in the rice fields of Asia the Murdannia 'keisak' is a stem plant from the bamboo family. New in to us from Tropica, they describe this plant as easy to grow and unchallenging. We're yet to give it a whirl ourselves but it looks the business.