Cyperus helferi (시페루스 헬페리) Plant informationType: RosulateOrigin: Asia(Country or continent where a plant is the most common. CUltivars arise or are bred in cultivation.)Growth rate: Slow(Growth rate of the plant compared to other aquatic plants.)Height: 20-30+(Average height (cm) of the plant after two months in the tank.)Light demand: Medium(The average or medium light demand of an aquarium pl..