arum lily, or water arum Arum lily, or water arum (Calla palustris). (more) calla plant Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/plant/calla Feedback External Websites Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Britannica Websites Articles from Britannica Encyclopedias for elementary and high school students. calla - Student Encyclopedia (Ages 11 and up) Ask the Chatbot a Question Written by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot Related Topics: Araceae water arum (Show more) See all related content calla, either of two distinct kinds of plants of the arum family (Araceae).

　　The genus Calla contains one species of aquatic wild plant, C. palustris, which is known as the arum lily, water arum, or wild calla. It occurs widely in wet places in cool north temperate and subarctic regions and grows readily in mud or shallow water along pond edges or watercourses. A handsome plant, it has heart-shaped leaves, showy white floral leaves (spathes), and clusters of brilliant red berries. The juice of C. palustris is violently poisonous.

　　Calla lilyFlorist's calla (Zantedeschia aethiopica) in bloom.(more)As a common name, “calla” is also generally given to several species of the genus Zantedeschia, which are often called calla lilies. All native to South Africa, the most important is the common florist’s calla (Z. aethiopica), a stout herb with a fragrant white spathe and arrow-shaped leaves that spring from a thick rootstock. It is a popular indoor plant and is grown commercially for cut flowers. The golden, or yellow, calla lily (Z. elliottiana), with more heart-shaped leaves, and the pink, or red, calla lily (Z. rehmannii) are also grown. The spotted, or black-throated, calla lily (Z. albomaculata), with white-spotted leaves, has a whitish to yellow or pink spathe that shades within to purplish brown at the base.

　　Britannica Quiz Plants: From Cute to Carnivorous The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Melissa Petruzzello.