Botany

Botany - grow your knowledge with us.

Upgrade to Britannica Online

Take a tour, New improved britannica online

Imagine Britannica's 32-volume encyclopedia online right there for you, plus full access to articles. Amazing content, written by world experts, that you can cite for projects and assignments.

Click here for Britannica shop

calla

Either of two distinct kinds of plants of the arum family. is known as the arum lily, water arum, or wild calla. The common name calla is also generally given to several species of , often called calla lilies. The handsome occurs widely in wet places in cool, northern temperate and subarctic regions. It has heart-shaped leaves, showy white floral leaves, and clusters of brilliant red berries. Its juice is violently poisonous. The most important of the calla lilies, all native to South Africa, is the common florist's calla (), a stout herb with a fragrant white spathe and arrow-shaped leaves; a popular indoor plant, it is grown commercially for cut flowers.

Find more information on calla. Upgrade to Britannica Online for more on calla.

  • Britannica, just as colourful as Singapore
  • Singapore is a legendary city. Britannica has a legendary reputation for knowledge. With just a few clicks you can access all the quality information you can trust, online.