1. Lotus root: rhizome, rhizome or rhizome is the metamorphosis of underground stems of some perennial plants, which looks like roots and is called rhizome.

2. Eleocharis tuberosa: Bulb is an intermediate type between tuber and bulb. It looks like a bulb, and its structure is similar to that of tuber. It often has developed terminal buds, clearly identifiable nodes, axillary buds, sparse scales and membrane-like. Usually all bulbs are buried in the mud.

Third, the tuber of the potato, the end of the underground stem expands and forms a block. This kind of abnormal stem growing underground is called a tuber.

4. Onion: spherical, flat and disc-shaped, and the outer bread has many changing leaves.

Extended data:

Plant organs

I. Stem

The stem supports the leaves and makes them distribute regularly, which is beneficial to fully accept sunlight for photosynthesis, and also supports flowers and fruits, which is beneficial to pollination and seed diffusion.

Second, the root

Roots are vegetative organs of plants, usually located below the surface, which are responsible for absorbing water and dissolving inorganic salts in soil, and have the functions of supporting, reproducing and storing synthetic organic matter.

Third, leaves

Leaf is the most sensitive organ in plants, and its morphological structure is most likely to change with different ecological conditions to adapt to the environment. Leaves of different plants have different shapes, sizes and shapes.

Fourth, flowers

Flowers are the reproductive organs of angiosperms (angiosperms, also known as flowering plants or flowering plants), and their biological function is to combine male sperm cells with female egg cells to produce seeds.

Verb (abbreviation of verb) fruit

The pistil of angiosperms is an organ developed from ovary or other parts of flowers (such as receptacle, sepals, etc.). ) After pollination and fertilization. Seeds play the role of reproduction and reproduction.

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