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Stamen

stamen

One of the male organs of a flower, consisting typically of a stalk (filament) and a pollen-bearing portion (anther). The male reproductive organ of a flower.The male organ of angiosperm flowers where pollen grains are produced in the anther component of the stamen. These pollen grains are produced by meiosis and provide the building blocks required for reproduction of an angiosperm species.


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... of two weeks, twenty flowers emerged. Some were axial and some were terminal. A few of these were removed and the flowers examined for pistils and stamen. The white flower showed why self pollination occurred with pea plants. After a time of continued development and after apparent fertilization, ...

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by DARKHEDGE
Sat Mar 25, 2006 1:10 pm
 
Forum: Botany Discussion
Topic: Marrowfat Peas
Replies: 51
Views: 19024

stimulatory hormone

which statement is FALSE: a) sporophyte is haploid b) the stamen is the male portion of the flower c) the carpel is the female portion of the flower d) the life cycle of a flowering plant is termed alternation e) none of the above i know for sure b and ...

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by isabell
Wed Mar 01, 2006 4:37 am
 
Forum: Botany Discussion
Topic: stimulatory hormone
Replies: 2
Views: 593

How do plants reproduce?

... called pollen and it is used by flowers to form seeds. Plants make the pollen in the saclike anthers of their flowers. The anthers are part of the stamen--the male part of reproduction. The female part is called the pistil, and it includes the stigma and the ovary. The stigma receives the pollen ...

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by CoolJay221
Wed Feb 15, 2006 4:08 pm
 
Forum: Botany Discussion
Topic: How do plants reproduce?
Replies: 13
Views: 15760

Terminology Question: Flowers, Seeds, and Cannabis.

basically, there are four main parts of the flower, petals, sepals, pistil and stamen... for female flower meaning one with ovary.. a seed may develop from it.. seed from its definition is a matured ovule.

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by aileen
Thu Feb 02, 2006 5:29 am
 
Forum: Botany Discussion
Topic: Terminology Question: Flowers, Seeds, and Cannabis.
Replies: 2
Views: 919

Pollen Grain, Tube Cells, Style Girth

Saludos, At this moment, I'm studying the reproductive cycle of angiosperms. My question is, when pollen grains are transferred from anthers of stamen to the stigma of carpel, how many pollen grains actually enter the carpel? What happens when one pollen grain has already developed its respective ...

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by Edher
Sun Aug 28, 2005 6:34 pm
 
Forum: Botany Discussion
Topic: Pollen Grain, Tube Cells, Style Girth
Replies: 4
Views: 2028


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