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What does wild yam look like?

Last Update ：2024.05.15

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Wild yam generally refers to Pangolin, which is a perennial herbaceous plant that can reach 5 meters in length, with rhizomes growing horizontally. The leaves are 10-20cm long, palm-shaped and heart-shaped, with slits of different sizes on the edges. The flowers are yellow-green and relatively small. The capsule is egg-shaped or oval-shaped, with three wings on the edge, and turns yellow when mature.

1. The appearance of the stem

1. The appearance of the stem

Wild yam generally refers to pangolin, and has many aliases, such as earth keel, chicken bone, dioscorea, and yam, etc. It is a perennial herbaceous plant that can reach 5 meters in length. The rhizome grows horizontally with many branches on it. The outer skin is yellow-brown and easily turns into flakes and falls off. The cross-section is yellow.

Yam

2. The appearance of the leaves

The length of the leaves is 10-20cm, the width is about 9-13cm, and the shape is palm-shaped and heart-shaped. There are cracks of different sizes on the edges, usually 5-7 cracks. The top is yellow-green and shiny, and there are no hairs on it. Or there are sparsely distributed white hairs, which are more densely distributed on the leaf veins.

Yam

3. The appearance of flowers

The flowers are unisexual. After the flowers bloom, they appear yellow-green in color. The flowers are relatively small. The base is generally composed of 2-4 small flowers integrated into a small umbrella shape. The flowering period is from June to August.

4. Appearance of the capsule

The capsule is oval or elliptical in shape, with three wings on the side. The wings on each edge are different sizes, generally about 2cm in length and 2cm in width. It is 1.5cm and turns yellow when mature. The fruit period is from July to September.

Yam