Araceae
Araceae
Araceae (pronounced /əˈreɪsiːiː/), also known as the arum family, is a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe or leaf-like bract.
Etymology
The name "Araceae" is derived from the type genus, Arum, which in turn is derived from the Greek word 'αρον' (aron), a name used by Theophrastus for these plants.
Description
Araceae are often rhizomatous or tuberous and are often found in or near water bodies. Many species are evergreen, but those that are deciduous, often survive the dry or cold season in the form of underground tubers or rhizomes.
Taxonomy
The Araceae family is divided into three subfamilies: Aroideae, Monsteroideae, and Lasioideae. These are further divided into 117 genera and about 3750 species, making Araceae the 11th largest family of flowering plants.
Distribution and habitat
Araceae are found worldwide, but the greatest variety of species occurs in the tropical rainforests of South America. Many are terrestrial plants, but there are also many epiphytes in the family, which grow on the surfaces of other plants.
Uses
Many species of Araceae are used as ornamental plants. Some, like the taro and giant taro, are important food plants in the tropics. Others, like the dieffenbachia, are grown as houseplants.
Related terms
External links
- Medical encyclopedia article on Araceae
- Wikipedia's article - Araceae
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