The differences between cistanche deserticola and Cynomorium songaricum are: different morphological characteristics, different distribution areas and different growth environments.

First, the morphological characteristics are different.

1, cistanche deserticola: tall herb, 40- 160 cm high, mostly underground. The stem is unbranched or has 2-4 branches from the base, and the diameter of the lower part can reach 5- 10(- 15) cm, and it gradually tapers upward, with a diameter of 2-5 cm.

2. Cynomorium songaricum: perennial succulent parasitic herb, with no chlorophyll, the whole plant is reddish brown, with a height of 15- 100 cm, and most of it is buried in sand.

Second, the distribution area is different.

1, cistanche deserticola: Inner Mongolia (Azuo Banner), Gansu (Changma), Xinjiang.

2. Cynomorium songaricum: It is distributed in Xinjiang, Gansu, Qinghai, Inner Mongolia, Ningxia and other places in China.

Third, the growth environment is different.

1, cistanche deserticola: it likes to grow in soft sandy land with slight salinization, and generally grows in sandy land or semi-fixed sand dunes, dry old river beds, lake basin lowlands, etc. Poor habitat conditions.

2. Cynomorium songaricum: Cynomorium songaricum was born in desert grassland, grassland desert and desert zone. Most of them grow in lightly salinized lowlands, lake basin edges, river terraces, piedmont proluvial and alluvial fan edges, and the soil is grey desert soil, brown desert soil, aeolian sandy soil and saline soil. Like drought and little rain, it has the characteristics of drought tolerance.

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