The asteraceae, a taxon of dicotyledonous flowering plants, is the second largest family in the division magnoliophyta, with some 1,100 genera and over 20,000 recognized species, with around 350 genera and 2687 species in the u. It is the largest family of dicotyledons, comprising 950 genera and 20,000 species, out of which 697 species occur in india. Modes of reproduction in the chinese asteraceae are known only fragmentarily. Toward a phylogenetic subfamilial classification for the compositae asteraceae. This is one of the largest plant families, with over 25,000 species distributed all over the world. Asteraceae pollen dated to the eocene has also been found in egypt kedves, 1971, china song et al. Asteraceae or compositae commonly referred to as the aster, daisy, composite, or sunflower family, is a very large and widespread family of flowering plants angiospermae the family includes over 32,000 currently accepted species, in over 1,900 genera in subfamilies. Asteraceae compositae the asteraceae are herbs, shrubs, or less commonly trees and are arguably the largest family of flowering plants, comprising about 1,100 genera and 20,000 species that are characterized by having the flowers reduced and organized into an involucrate pseudanthium in the form of a head or capitulum. New combinations and infrafamilial taxa in the asteraceae. Glossary of botanical terms used in the asteraceae accepted terms are indicated by boldface. Sunflowers, daisies, asters, and allies family asteraceae. Compositae the uniqueness of the aster or sunflower family is that what first seems to be a single large flower is actually a composite of many smaller flowers.
The most distinctive feature of asteraceae is their inflorescence structure, the highly compressed inflorescence branch system called the capitulum or flower head, in which all the flowers are attached to a receptacle that is surrounded by involucral. Asterales is part of the core asterid clade organisms with a single common ancestor in the euasterid ii group of the angiosperm phylogeny group iii apg iii botanical classification system. The two kinds of flowers are disk flowers and ray flowers. Fossil pollen records have been used recently to shed light on the time of origin of asteraceae. The plants are characterized by their composite flower heads and oneseeded achene fruits. As regards the world diversity of the family, only about 12% of genera have been studied using cytoembryology to identify the reproduction system. Family aasteracae is regarded as the most advanced and highly evolved in the plant kingdom. They are world wide in distribution and abundant in tropics and in cold arctic or alpines regions. The major families are asteraceae and campanulaceae. Within the definitions, italics when not names of genera indicate terms that are defined in this glossary.
If you have a different image of similar quality, be sure to upload it using the proper free license tag, add it to a relevant article, and nominate it. List of plants in the family asteraceae britannica. Asteraceae or compositae commonly referred tae as the aster, gowan, or sunflouer faimily, is a ower lairge an widespread faimily o angiospermae. This is a list of genera in the plant family asteraceae, the daisies and sunflowers. In terms o nummers o species, asteraceae is rivaled anly bi orchidaceae. Asteraceae plants of the aster or sunflower family previously known as the composite family. Las asteraceas asteraceae, tambien llamadas compuestas compositae giseke, nom. The following is a list of some of the major genera and. The family asteraceae or, alternatively, family compositae, known as the aster, daisy or sunflower family, is a taxon of dicotyledonous flowering plants. Asterales, daisy order of flowering plants, containing 11 families and some 26,870 species. Syntia policena rosa familia asteraceae compositae 2.
Proceedings of the biological society of washington 1154. The term is often used to differentiate a plant from. The group haes mair than 23,000 currently acceptit species, spread athort 1,620 genera an 12 subfaimilies. Members of the asteraceae are more commonly in flower in late summer and fall in temperate areas.
The aster family asteraceae is one of the largest angiosperm families, with more than 1,620 genera and 23,600 species of herbaceous plants, shrubs, and trees distributed throughout the world. Proper usage and audio pronunciation of the word family asteraceae. The whilk o the twa faimilies is actually lairger isna clear, awin. In terms of numbers of species, the asteraceae are rivaled only by the orchidaceae. The plants of wvdeps rain garden 1 perennials a perennial plant is a plant that lives for more than two years. Asteraceae is among the largest families of plants with more than 23,000 species that occupy all the continents except antarctica jeffrey, 2007. This category should only contain genera categories and galleries. This category is automatically filled by the use of taxonavigation with parameter includeasteraceae apg. About the classification report about the classification download. Identification of asteraceae family authorstream presentation. Edis is the electronic data information source of ufifas extension, a collection of information on topics relevant to you. This is a featured picture, which means that members of the community have identified it as one of the finest images on the english wikipedia, adding significantly to its accompanying article.
A steraceae is also known as the composite family, because the inflorescence is crowded into compact heads that look like single flowers. Allergens and plants search enter a full or partial species name to find more information on one of over 1200 potentially allergenic plants. Taxonomic discussion on the asteraceae is included under the relevant tribes. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Genera are rather illdefined, which can make the writing of efficient keys difficult you should be able to identify the following structures. Muitas especies sao usadas no cultivo devido ao seu valor biologico, e alguns representantes dessa familia sao o absinto artemisia absinthium, a alface lactuca. Information about family asteraceae in the dictionary, synonyms and antonyms. Only the orchid family orchidaceae is larger, with. Each head is made up of numerous small individual flowers. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. Classification for kingdom plantae down to family asteraceae.
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