A flower, (<Old French flo(u)r<Latin florem<flos), also known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Magnoliophyta, also called sperms). The flower structure contains the plant's organs, and its function is to produce seeds through reproduction. For the higher plants, seeds are the next generation, and serve as the primary means by which individuals of a species are dispersed across the landscape. After fertilization, portions of the flower develop into a fruit containing the seeds.

Flower anatomy

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Flowering plants heterosporangiate (producing two types of reproductive spores). The pollen (male spores) and ovules (female spores) are produced in different organs, but these are together in a bisporangiate strobilus that is the typical flower.

A flower is regarded as a modified stem (Eames, 1961) with shortened internodes and bearing, at its nodes, structures that may be highly modified leaves. In essence, a flower structure forms on a modified shoot or axis with an apical meristem that does not grow continuously (growth is determinate). The stem is called a pedicel, the end of which is the torus or receptacle. The parts of a flower are arranged in whorls on the torus. The four main parts or whorls (starting from the base of the flower or lowest node and working upwards) are as follows:

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Winter Flowering - Twitter Search

By Don Davis Flowering indoor plants are a fixture during the holidays and through the winter. Here are some tips o... http://bit.ly/7cHtCe
greensignpost (Kim Bedford) Wed, 23 Dec 2009 05:44:38 -0000
By Don Davis Flowering indoor plants are a fixture during the holidays and through the winter. Here are some tips o... http://bit.ly/7cHtCe
Yay!!! 2 orchids flowering, and another two in spike! Going to be a sweet, colorful winter! :)
GEOcycle (J 'Geo' Camp) Tue, 22 Dec 2009 01:23:02 -0000
Yay!!! 2 orchids flowering, and another two in spike! Going to be a sweet, colorful winter! :)
sunset jog through griffith park, dungenous crab with flowering kale and a not so good winter squash with mushrooms, onion, tempeh
Kalboat (Kalvin Henely) Mon, 21 Dec 2009 06:10:36 -0000
sunset jog through griffith park, dungenous crab with flowering kale and a not so good winter squash with mushrooms, onion, tempeh
@PauNUK Well, it is winter-flowering jasmine!
Flashmaggie (Margaret Nelson) Sun, 20 Dec 2009 01:29:27 -0000
@PauNUK Well, it is winter-flowering jasmine!
Winter blooms enliven sleepy gardens: The general advice is to throw out the bulbs after flowering. Growing indoors... http://bit.ly/6zQGmu
GardenStyle (Big Mamma) Sat, 19 Dec 2009 15:48:59 -0000
Winter blooms enliven sleepy gardens: The general advice is to throw out the bulbs after flowering. Growing indoors... http://bit.ly/6zQGmu
hellebores - by far the largest and most handsome group of winter flowering herbaceous plants ==> http://tinyurl.com/ybqkmq8
EZeeGardening (Darryl Lombard) Fri, 18 Dec 2009 13:18:33 -0000
hellebores - by far the largest and most handsome group of winter flowering herbaceous plants ==> http://tinyurl.com/ybqkmq8

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