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Euphorbiaceae

life science Maturity 5-7 Next article →

The Euphorbiaceae family is a huge group of flowering plants. It is the fifth-largest family of its kind. Scientists have found about 7,500 different species in this group. These plants live almost everywhere on Earth. You can find them on every continent except Antarctica. Most of these plants grow in warm, tropical places.

Euphorbia characias flowers
Euphorbia characias flowers

Some species are small herbs that stay low to the ground. Other species grow into large shrubs or even tall trees. Some plants even look like cacti because they store water in thick parts.

Many of these plants have a special way of growing flowers. Some use a cyathium, which is a "false flower." This is actually a small cup made of many tiny parts. This cup holds several male flowers and one female flower in the middle. To us, it looks like just one single flower.

E baylissii ies
E baylissii ies

The plants also make different kinds of fruit. One common type is called a schizocarp. This fruit has three or more cells inside. When the fruit is ripe, the cells split open and explode. This action scatters the small seeds far away.

We can learn about the history of these plants from fossils. One old fossil is called Euphorbiotheca deccanensis. It is a type of fruit found in India. This fossil is from the late Cretaceous period. That was about 66 million years ago.

Croton Petra
Croton Petra

Scientists also use modern molecular studies to understand them. These studies show that a group called Rafflesiaceae comes from within the Euphorbiaceae family. This helps us see how different plants are related over a long time.

These plants are very important to people and the world. The Pará rubber tree, or Hevea brasiliensis, provides natural rubber. The cassava plant is another important species used for food. However, some plants can be quite dangerous. The castor oil plant has seeds with a very strong toxin called ricin. Some plants have a milky sap called latex. In the white mangrove, this sap can cause blisters or even temporary blindness.

Croton Petra
Croton Petra

Many people enjoy these plants in their own homes. You might see a colorful poinsettia during the holidays. Garden crotons are also popular ornamental plants. Some species can be tricky, though. Leafy spurge and Chinese tallow can grow too fast in North America. They are called invasive weeds because they spread quickly. Even though some plants are risky, scientists still study them closely. They look for special substances in the sap that might help treat diseases.

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File:Euphorbia characias flowers.jpg
Euphorbia characias flowers.jpg
File:E baylissii ies.jpg
E baylissii ies.jpg
File:Croton Petra.jpg
Croton Petra.jpg
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