Casuarina Plant

About

Casuarina, also known as she-oak or savukku, is a genus of flowering plants.

It is also known as kattadi and savukku.

Scientific Name:

Casuarina equisetifolia. 

Characteristics

Casuarina plants are known for their long, slender branches that resemble ferns. 

They are hardy and can withstand drought, salt spray, and windy conditions.

Adaptability

Casuarina trees can grow in a wide range of soils and climates, including those with limited moisture and nutrients. 

They can tolerate temperatures from 10°C to 33°C, and mean annual rainfall between 700 and 2000 mm.

Distribution

They are native to Australia, India, Southeast Asia, and other regions. 

Benefits

Erosion control: Casuarina plants' extensive root systems help stabilise coastal dunes and prevent erosion in coastal regions.

Reforestation: Casuarina plants are used in reforestation projects.

Soil fertility: Casuarina plants fix nitrogen from the air, which enhances soil fertility.

Wood: Casuarina wood is used for making furniture, fence posts, and paper pulp.

PRACTICE QUESTION

Q.Consider the following statements about the “Casuarina plants” recently seen in the news: 

1. They are a genus of non-flowering plants.
2. They are known to withstand drought, salt spray, and windy conditions.
3. They are mostly grown in coastal landscapes.

How many of the above statements is/are correct?

A.Only one

B.Only two

C. All Three

D.None

Answer: B

Explanation:

Statement 1 is incorrect: 

Casuarina, also known as she-oak or savukku, is a genus of flowering plants.

It is also known as kattadi and savukku.

Statement 2 is correct: 

Casuarina plants are known for their long, slender branches that resemble ferns. 

They are hardy and can withstand drought, salt spray, and windy conditions.

Statement 3 is correct: 

Casuarina trees can grow in a wide range of soils and climates, including those with limited moisture and nutrients. They can tolerate temperatures from 10°C to 33°C, and mean annual rainfall between 700 and 2000 mm.

Casuarina plants are a popular choice for coastal landscapes.