Largest plant families

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Largest plant families

With more than 10, species, the grass family, Poaceaeis one of the largest families of flowering plants. Its members are monocotyledons and feature leaves with parallel veins; the flowers are usually wind-pollinated. Many grasses are cultivated as ornamental plants and for lawnsand several are staple cereal crops. The following is a list of some of the major genera and species in Poaceae, arranged alphabetically by common name. List of plants in the family Poaceae.

Info Print Cite. Submit Feedback. Thank you for your feedback. Written By: Melissa Petruzzello. See Article History. Bermuda grass Cynodon dactylon.

Indian grass Sorghastrum nutans. Learn More in these related Britannica articles:. Poaceaegrass family of monocotyledonous flowering plants, a division of the order Poales. They rank among the top five families of flowering plants in terms of the number of species, but they are clearly the most…. Angiospermany of aboutspecies of flowering plants, the largest and most diverse group within the kingdom Plantae. Angiosperms represent approximately 80 percent of all the known green plants now living.

The angiosperms are vascular seed plants in which the ovule egg is fertilized and develops into a seed…. Monocotyledonone of the two great groups of flowering plants, or angiosperms, the other being the eudicotyledons eudicots.

List of plants in the family Poaceae

There are approximately 60, species of monocots, including the most economically important of all plant families, Poaceae true grassesand the largest of all plant families, Orchidaceae orchids.

Other prominent…. History at your fingertips. Sign up here to see what happened On This Dayevery day in your inbox! Email address. By signing up, you agree to our Privacy Notice.

Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Article History.Charles has a deep love for botany. He enjoys reading about anything related to plants during his spare time. The plant kingdom is composed of a wide variety of plant species. It can be subdivided into vascular and non-vascular plants.

largest plant families

Vascular plants are characterized by having specialized tissues xylem and phloem to transport food and minerals, unlike non-vascular plants. Plants can further be classified as angiosperms and gymnosperms. Angiosperms are the largest group of plants on earth and are characterized by having flowers at some stage in their lives. Angiosperms or flowering plants can be subdivided into monocots and dicots, with monocots having a single seed leaf and dicots having two seed leaves. Most flowering plants that are members of the same family have similar characteristics for identification.

Some of the most common plant families are mint family, parsley family, mustard family, pea family, lily family, grass family, rose family and aster family. It is very important to be able to identify the family that a plant belongs to. This is because related plants often have similar uses. One of the very obvious parts of any flowering plant is its flower. As such, the flower is an important element that can be used to group plants into their various families.

However, to be able to use the flower to effectively group plants into their various families, we need to first get acquainted with the major parts of a flower. We also need to familiarize ourselves with some terms like regular flowers, irregular flowers, composite flowers, compound umbel, unisexual flowers and bisexual flowers.

For the purpose of our discussion, we will only focus on the five major parts of the flower which are the sepals, petals, stamen, pistil and ovary.

Sepal: The outer parts of the flower often green and leaf-like that enclose a developing bud. Stamen: The pollen producing part of a flower, usually with a slender filament supporting the anther.

The stamen is the male part of the flower. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma.

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The mature ovary is a fruit, and the mature ovule is a seed. The pistil is the female part of the flower. Ovary: The enlarged basal portion of the pistil where ovules are produced.

A regular flower is of radial symmetry and hence in whatever plane you cut through the flower in a longitudinal manner, you will always obtain a half flower. An irregular flower differs in that it has bilateral symmetry. You can only cut this type of flower down in one plane in order to obtain a half flower.

Composite flowers are made up of inflorescences. Inflorescences are clusters of little flowers that seem like one big flower, but actually are many smaller flowers clustered together. Many composite flowers have two types of flowers. One type of flower is the ray part and the second type of flower are small tube-like flowers that are clustered together making a disc shape.Question Asked by abba.

Your Email Address:. Index Newest Popular Best. Join us for community, games, fun, learning, and team play! Newest Questions Post a Question Search All Questions Please cite all facts with citation links or references from authoritative sources. Editors continuously recheck submissions and claims. Goto Qn. What are the three largest families of flowering plants? Vote for this answer. One would certainly be Compositae, the daisy family.

I am pretty sure Asteraceae aster family would be another. A guess for the third would be Poaceae grasses. McGruff Answer has 11 votes. McGruff 20 year member replies Answer has 11 votes. Currently voted the best answer. The three largest flowering plant families containing the greatest number of species are the Sunflower Family Asteraceae with about 24, species, the Orchid Family Orchidaceae with about 20, species, and the Legume or Pea Family Fabaceae with 18, species.

Get a new mixed Fun Trivia quiz each day in your email. It's a fun way to start your day! What are the two main families of pitcher plants, and what allows them to gain the necessary nutrients to exist?

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What is the difference between the Chesapeake Bay's plants and fresh water plants? We ask our submitters to thoroughly research questions and provide sources where possible. Feel free to post corrections or additions.

This is server BA handful of daisies in a vase can make a foyer more inviting, lend a cheerful touch to a patient's bedside table and add a touch of the outdoors to your kitchen counter.

Plants such as daisies are grouped into plant families because of their similar characteristics. But it may surprise you to know that some plants in the daisy family fill your salad plate instead of lending their blossoms to vases in your home. As an annual vegetable, lettuce Lactuca sativa is in the daisy family along with the quintessential daisy-shaped flower, the Gerbera daisy Gerbera jamesoniialso called the Transvaal daisywhich grows as a perennial in U.

Department of Agriculture plant hardiness zones 8 through The daisy plant family is officially called the Asteraceae family, formerly the Compositae family. With all these familial designations, the common denominator is a set of botanical characteristics that link the plants together.

The Asteraceae plant family represents the largest group of vascular plants, containing more than 22, plant species that are classified into 1, genera. Rising above all the cellular details that link Asteraceae plants in the same family is a primary defining characteristic — their flowers.

Flower heads called inflorescences are made up of densely packed structures called florets that include different shapes such as inner disk flowers round and outer ray flowers elongated.

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And what looks like the petals of a Gerbera daisy is actually only the outermost ring of the densely packed inner circle of flowers. Names of tribes include the aster tribe, dandelion tribe, lettuce tribe and sunflower tribe.

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The everlasting tribe is so-named because their flowers are long-lasting when dried. Tribe characteristics include details about flowers, leaves, fragrance and reproductive similarities. Annual plants in the Asteraceae family include many longstanding garden favorites. Two species that are indigenous to Mexico found their way into North American gardens generations ago, where they remain heirloom gems.

Daisies, coneflowers and black-eyed Susans are mainstays in butterfly gardens. These members of the Asteraceae plant family are cold-hardy perennials that gardeners in many climates enjoy in summer.

Although most plants can be called herbs because of their diverse ethnobotanical uses throughout history, these three herbs in the Asteraceae family populate the cabinets in many kitchens and restaurants as well as the medicine cabinets of many herbalists:.

Although many edible plants are harvested before growers ever see their flowers form, the blooms still have that familiar daisy shape that characterizes members of the Asteraceae plant family. Some plants that many people consider weeds are members of the Asteraceae family, including annual ragweed Ambrosia artemisiifoliawhich is one of the plants that may trigger an asteraceae allergy in susceptible people.

What are the three largest families of flowering plants?

When the flowers bloom in mid-summer to fall, sensitive people react with allergic rhinitis symptoms such as sneezing when the flowers begin to release their pollen. The Asthma and Allergy Foundation of America reports that ragweed allergy affects 23 million Americans except in Alaska, which is the only state where annual ragweed doesn't grow.

If you are hypersensitive to ragweed, even growing sunflowers may trigger allergic reactions because these plants are in the same Asteraceae family. Skip to main content. Home Guides Garden Beginner Gardening. Home Guides Garden Beginner Gardening Written by Victoria Lee Blackstone; Updated October 23, A handful of daisies in a vase can make a foyer more inviting, lend a cheerful touch to a patient's bedside table and add a touch of the outdoors to your kitchen counter.

Common zinnia Zinnia eleganswhich is easily sown from seed or grown from transplants, is a cottage garden staple. Flower colors are diverse, from white to shades of pink, red, yellow, orange, lavender and even green. Flower forms are also diverse, including single, semi-double and fully double.

largest plant families

Zinnias range in height from dwarfs that grow only 6 inches tall to giants that reach 4 feet. Even though their common name hints at an origin in FranceFrench marigolds Tagetes patula are actually native to Mexico. These annual flowers may bloom nonstop until the first frost in autumn. Flower colors range from white to shades of yellow, red and orange.

Perhaps the quintessential plant that represents the daisy family is Shasta daisy Leucanthemum superbuma perennial in USDA zones 4 through 9. Sporting pure-white ray flowers that radiate from the central yellow disk flowers, Shasta daisy is a sun-loving perennial. A much-loved native plant in the Asteraceae family is purple coneflower Echinacea purpureaa perennial in USDA zones 3 through 8.

Another native plant for the butterfly garden is black-eyed Susan Rudbeckia fulgidaa perennial in USDA zones 3 through 9.There are 57 genera of flowering plants estimated to contain at least described species. The largest of these is currently the legume genus Astragalus milk-vetcheswith over 3, species. The sizes of plant genera vary widely from those containing a single species to genera containing thousands of species, and this disparity became clear early in the history of plant classification.

The largest genus in Carl Linnaeus ' seminal Species Plantarum was Euphorbiawith 56 species; Linnaeus believed that no genus should contain more than species.

largest plant families

Part of the disparity in genus sizes is attributable to historical factors. According to a hypothesis published by Max Walters inthe size of plant genera is related to the age, not of the taxon itself, but of the concept of the taxon in the minds of taxonomists.

For instance, the occurrence of apomixis allows the recognition of large numbers of agamospeciesand such taxa have helped to bolster genera such as Ranunculus and Potentilla. The introduction of infrageneric taxa such as the subgenussection and series in the 19th century by botanists including Augustin Pyrame de Candolle allowed the retention of large genera that would otherwise have become unwieldy.

Corner believed that studying large genera might enable greater insights into evolutionary biologyand he concentrated his efforts on large tropical genera such as Ficus. A total of 57 genera of flowering plants contain at least species, according to a analysis by the botanical taxonomist David Frodin.

Genera from other groups of vascular plants, but which have similarly large numbers of species, include SelaginellaAsplenium and Cyathea. From Wikipedia, the free encyclopedia. Wikipedia list article. Frodin New Phytologist. Mabberley Cambridge University Press.

Journal of the Botanical Research Institute of Texas. Categories : Angiosperm genera Lists of plants Lists of superlatives. Hidden categories: Articles with short description Featured lists. Namespaces Article Talk.

Views Read Edit View history. By using this site, you agree to the Terms of Use and Privacy Policy. List of Astragalus species. List of Bulbophyllum species.

List of Psychotria species. List of Euphorbia species.The aster family Asteraceae is one of the largest angiosperm families, with more than 1, genera and 23, species of herbaceous plants, shrubsand trees distributed throughout the world. The plants are characterized by their composite flower heads and one-seeded achene fruits. The following is a list of some of the major genera and species in Asteraceae, arranged alphabetically by common name.

List of plants in the family Asteraceae. Info Print Cite. Submit Feedback. Thank you for your feedback. Written By: Melissa Petruzzello. See Article History. China aster Callistephus chinensis. Learn More in these related Britannica articles:. Asteraceaethe aster, daisy, or composite family of the flowering-plant order Asterales. With more than 1, genera and 23, species of herbs, shrubs, and trees distributed throughout the world, Asteraceae is one of the largest plant families.

Asteraceae is important primarily for its many garden ornamentals, such as…. Angiospermany of aboutspecies of flowering plants, the largest and most diverse group within the kingdom Plantae. Angiosperms represent approximately 80 percent of all the known green plants now living. The angiosperms are vascular seed plants in which the ovule egg is fertilized and develops into a seed…. Shrubany woody plant that has several stems, none dominant, and is usually less than 3 m 10 feet tall. When much-branched and dense, it may be called a bush.

Intermediate between shrubs and trees are arborescences, or treelike shrubs, from 3 to 6 m tall. Trees are generally defined…. History at your fingertips. Sign up here to see what happened On This Dayevery day in your inbox! Email address. By signing up, you agree to our Privacy Notice. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.

Article History.All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Hottest Questions. Previously Viewed. Unanswered Questions. Earth Sciences. Botany or Plant Biology. What is the largest family of flowering plants? Wiki User I am very surprised to find that no one has tried to answer this question. Perhaps i do not understand this website well enough to find where others have posted their answers.

Since i do not have time to research a detailed answer right now, i will limit myself to naming what i think are the authoritative sources of information on this subject. I should perhaps mention that families are divided into groups called genera and that the genera are divided into species.

I prefer to think of family size as the number of genera in the family, but i suppose that others would like to think of family size as the number of species. The largest plant family is clearly either Asteraceae or Orchidaceae.

Asteraceae has by far the largest number of genera, about Orchidaceae, however, might have a larger number of species.

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There is not an accurate estimate on the number of species in either family and there is much disagreement on how Orchidaceae should be divided into genera. For definitions of genera, most people follow the series entitled The Families and Genera of Vascular Plants.

Their treatment of Asteraceae appears in volume 8. They have not yet published a treatment of Orchidaceae and i do not know who is working on it. Peter F. Unlike the Tree of Life www. Stevens gives lists of genera as well as the most recent estimates of numbers of genera and species.

This can be found at www. There is a group of botanists that is compiling a list of all species of Embryophytes land plants. An update of their efforts was published in in a journal called Taxon. They claim that they will finish this list bybut i don't believe it. Robert Scotland has written on this subject. Allen C. Lane 22 Jun In fact, it is the largest family of the flowering plants. It is a part of the composite family such as sunflowers, daisies, and black -eyed Susan's.

Asked in Microbiology What is the largest group of plants? The largest group of plants in the plant kingdom is the group that contains the plants that produce seeds. These are the flowering plants, the conifers, the Ginkgo's, and the cycads. Asked in Biology, Plants and Flowers Largest division of plants? The largest division of plants is the angiosperm group.


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