Konjac (jǔ ruò) (scientific name Amorphophallus konjac), commonly known as konjac, also known as the mill taro, Tennessee mill taro perennial herbaceous plants, also known as the ancient Chinese demon taro. Since ancient times, konjac has been "to intestinal sand" of the name.

Konjac grows in the sparse forests, is a beneficial alkaline food, on the consumption of animal acidic food too many people, with eating konjac, can achieve food acid, alkaline balance. In addition, konjac also has the level of blood sugar, blood fat, blood pressure, dispersal of toxins, nourish the face, through the veins, weight loss, laxative, appetizing and other multi-functional.

2, hemp taro

Perennial herb, 15 ~ 30cm high. seedlings are often single leaf, ovate-cordate, 2 ~ 3 years after the birth of 3 leaflets of compound leaves; petiole 10 ~ 25cm, the base of the bead bud. Flowers unisexual homozygous, inflorescence stalk longer than petiole, spathe green, lower tubular; female flowers born at the base of the inflorescence, male flowers born at the upper end, inflorescence apical appendages greenish-purple, extending outside the spathe in a rattail. Berry ovate-ellipsoid, green. Flowering period May to July, fruiting period August to September.