Jerusalem yam, also known as foreign ginger or Japanese ginger, has the following appearance and growth characteristics:
1. Plant height: The plant height of taro is usually between 1 and 3 meters, and sometimes it can reach even higher.
2. Leaves: The leaves of Jerusalem taro are relatively broad, with a shape of oval or elliptical, ranging in length from 10 to 30 centimeters and width from 8 to 15 centimeters. The top of the leaves is relatively sharp or gradually pointed, while the base is circular or heart-shaped, with coarse serrations on the edges. The surface of the leaves is rough, with soft or hairless hairs, while the underside of the leaves is usually covered with soft hairs, and the veins protrude below the leaves. The petiole is thick and sturdy, ranging in length from 1 to 3 centimeters, and usually covered in soft hairs.
3. Flower: The inflorescence of the chrysanthemum is a head shaped inflorescence, with a large number arranged in a umbrella shaped inflorescence, growing at the end of the branch. The bracts of each inflorescence are bell shaped, ranging in length from 1 to 5 to 2 to 5 centimeters, with soft hairs on the outside. There are usually 1 to 3 tongue shaped flowers at the edges, large and beautiful, yellow, and spreading; Tubular flowers are mostly small, bisexual, with yellow, brown, or light purple corollas.
4. Tuber: The underground stem of Jerusalem yam is enlarged and can form tubers, which is also its main economic component. The shape of the tuber is irregular, with irregular nodular protrusions, and the outer skin is red, yellow, or white.
5. Growing environment: Chrysanthemum is a perennial perennial herbaceous plant that does not require strict soil conditions. It can grow in saline alkali land, sandy wasteland, as well as in front and behind houses, along the edges of the ground, and in gaps between forests. Its cold and drought resistance is very strong, and it can still overwinter at low temperatures of -30 ℃ without suffering from freezing damage to the tubers.
Jerusalem yam is a plant with strong vitality and adaptability. Its tubers can be eaten or used as feed, and also have certain medicinal value.