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Cherimoya

life science Maturity 5-7 Next article →

The cherimoya (Annona cherimola) is a unique, edible fruit-bearing plant. It belongs to the genus Annona in the family Annonaceae. This family also includes related plants like the sweetsop and soursop.

Cherimoya fruit hg
Cherimoya fruit hg

The cherimoya is famous for its creamy texture. Because of this, people often call it the custard apple. Some even refer to it as the "ice cream fruit" because it can be eaten with a spoon. The fruit is highly valued for its flavor, which can taste like a mix of banana, pineapple, papaya, and strawberry.

The cherimoya plant is a tall, woody tree or shrub. It is mostly evergreen, though it can be briefly deciduous. The branches are sappy and woody, while young twigs have fine, rust-colored hairs.

Cherimoya cut hg
Cherimoya cut hg

The leaves are long, wide, and elliptic in shape. They are dark green on top and have a velvety, grey-green underside with raised veins. The flowers are pale green and have a very strong, fruity scent. Each flower has three outer petals and three smaller inner petals. These flowers are hermaphroditic, meaning they have both male and female parts.

To create fruit, the cherimoya uses a complex pollination mechanism. The flowers are short-lived and change stages to avoid self-pollination. They first open in a female stage. A few hours later, they progress to a male stage.

Nitidulidae's beetle visiting cherimoya's flowers
Nitidulidae's beetle visiting cherimoya's flowers

Small nitidulid sap beetles act as the key pollinators. These beetles visit the flowers to feed on nutritious tissues called "power bodies" at the base of the petals. While they feed, pollen from the male stage sticks to their bodies. The beetles then carry this pollen to other flowers that are still in the female stage. This cycle ensures the plant can produce new fruit.

Because these beetles are not strong fliers, they need a specific environment to survive. They lay their eggs in organic material like abundant leaves or rotting fruit on the ground. The larvae hatch and feed on this decaying matter before they pupate in the soil.

Cherimoya sprouts emerging
Cherimoya sprouts emerging

In some orchards, humans must help with pollination. Growers can use a small paint brush to manually move pollen from male flowers to female flowers. They can also encourage beetles by leaving leaf litter and fallen fruit beneath the trees.

Genetic research has helped scientists understand the history of the cherimoya. While it was once thought to be native to the Andes, researchers found its true origin is in Honduras and Guatemala.

Wild cherimoya plant Vilcabamba Ecuador
Wild cherimoya plant Vilcabamba Ecuador

Humans brought the plant to South America approximately 4,000 years ago. During the 18th century, Europeans began distributing the plant across the globe. Today, it is grown in many tropical and subtropical regions. These include Central America, South America, Australia, South Asia, and the Mediterranean. In Spain, the 'Fino de Jete' cultivar is highly protected and famous.

The fruit varies significantly in appearance and size. On average, a cherimoya weighs about 500 grams, but extra-large ones can reach 1,000 grams or more.

Bin Lang Taiwan Cherimoya-fruits-01
Bin Lang Taiwan Cherimoya-fruits-01

The skin is green and can look like it has overlapping scales or knobby warts. Commercial growers classify the fruit by its surface texture. The 'Lisa' type is almost smooth. The 'Impresa' type has fingerprint-like depressions. Other types include 'Umbonata' with rounded protrusions, 'Mamilata' with nipple-like shapes, and 'Tuberculata' with conical, wart-like tips.

While the fruit is delicious, parts of the plant must be handled with caution. The flesh is 79% water and provides vitamin C, vitamin B6, and potassium. However, the black, bean-like seeds are poisonous if they are crushed open.

Bosque nativo de chirimoyos ecuatorianos
Bosque nativo de chirimoyos ecuatorianos

The entire plant contains neurotoxic acetogenins, such as annonacin. An extract from the bark can also induce paralysis if injected. This highlights the chemical complexity found in many members of the Annonaceae family. Understanding these plants helps us appreciate the balance between nutrition and natural defenses in the botanical world.

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🖼️ Images & Media (7)
File:Cherimoya fruit hg.jpg
Cherimoya fruit hg.jpg
File:Cherimoya cut hg.jpg
Cherimoya cut hg.jpg
File:Bosque nativo de chirimoyos ecuatorianos.jpg
Bosque nativo de chirimoyos ecuatorianos.jpg
File:Wild cherimoya plant Vilcabamba Ecuador.jpg
Wild cherimoya plant Vilcabamba Ecuador.jpg
File:Cherimoya sprouts emerging.jpg
Cherimoya sprouts emerging.jpg
File:Nitidulidae's beetle visiting cherimoya's flowers.jpg
Nitidulidae's beetle visiting cherimoya's...
File:Bin Lang Taiwan Cherimoya-fruits-01.jpg
Bin Lang Taiwan Cherimoya-fruits-01.jpg
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