Soursop is a fruit with an acidic taste, closely related to the sweeter custard apple. This page provides some basic information on the soursop.

| Scientific name: | Annona muricata |
| Synonym | Annona sericea |
| Family: | Annonaceae |
| Order: | Magnoliales |
| Common names: | English: Soursop, Brazilian pawpaw, Prickly custard apple |
| Spanish: Guanábana, Guanábano | |
| Dutch: Zuurzak | |
| German: Sauersack, Stachelannone | |
| Portuguese: Graviola | |
| Origin: | Caribbean, Central America, South America |
| Distribution: | Caribbean, Central America, South America, South-East Asia |
| Evergreen or deciduous: | Evergreen |
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| Fruits: | Fruits are 20 to 30 cm long. The green surface is prickly. The skin has a pattern of diamonds or squares, each with a soft bended thorn. Fruits can weigh up to over 2 kg. The taste of the fruit is slightly acidic (hence the name soursop) and can be compared with strawberry and pineapple mixed together. Inside the fruit is a white pulp with many seeds and fibrous membranes around pockets of flesh. The fruits contain vitamins C, B1 and B2. |
| Climate and weather: | The soursop likes a climate with high humidity and relatively warm winters. The temperature should never fall below 5 °C. |
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| Height: | Soursop are small trees that can be up to 10 meters tall but usually smaller. |
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| Moisture: | Likes high humidity. |
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| Uses: | The fruit is difficult to eat as it is and is therefore usually squeezed out to juice. |