葛粉的英文：
arrowroot

Any of several tropical American plants of the genus Maranta,including the arrowroot,having thin,ovate,usually spotted leaves and irregular flowers.
竹芋任一种美洲热带竹芋属的植物，包括竹芋，生有卵形的通常带有斑点的细叶和开形状不规则的花