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Female  Biology  ]

Dictionary of botanic terminology - index of names

 
  Relating to, or designating the sex of an organism (of plant or animal), or a part of an organism, that produces fertilizable gametes (egg cells or ova) from which offspring develop. Consisting of members of this sex  

The female organism produce offsprings after the female ova has been fertilized with the male sperm. A female individual cannot usually reproduce without sexual intercourse with a male, although some exceptions exist.
The "ovum" or “egg cell” is defined as the larger
gamete in a heterogamous reproduction system, while the smaller gamete is produced by the male.

Female Symbol:

A common symbol used to represent the female gender is, a circle with a small cross underneath.
This symbol also represents the planet Venus and is a stylized representation of the goddess Venus' hand mirror.
Female  [ Botany   ]

     
  In botany the term female relate to organs, such as pistils, that produce gametes capable of  being fertilized by those produced by male organs.  
     
See also:  
Female flowers (= Pistillate) a flower bearing pistils but not stamens;
Female plant: A plant having only pistillate flowers
(see:  dioecious )
     

 


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Holdfast roots  [ Botany  ]

Dictionary of botanic terminology - index of names

 
     
  Some species of climbing plants develop holdfast roots which help to support the vines on trees, walls, and rocks. By forcing their way into minute pores and crevices, they hold the plant firmly in place.  
     
Climbing plants, like the poison ivy (Toxicodendron radicans), Boston ivy (Parthenocissus tricuspidata), and trumpet creeper (Campsis radicans),  develop holdfast roots which help to support the vines on trees, walls, and rocks. By forcing their way into minute pores and crevices, they hold the plant firmly in place. Usually the Holdfast roots die at the end of the first season, but in some species they are perennial. In the tropics some of the large climbing plants have hold-fast roots by which they attach themselves, and long, cord-like roots that extend downward through the air and may lengthen and branch for several years until they strike the soil and become absorbent roots.

Major references and further lectures:
1) E. N. Transeau “General Botany” Discovery Publishing House, 1994
     

 

 

 

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