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Apiculate  [ Botany ]

Dictionary of botanic terminology - index of names

 
     
  Having an apical short sharply point which is not stiff. Abruptly short-pointed.
 
 
     
Of a plant part (e.g. petal, leaf etc..) ending abruptly with a sharp, flexible projection (apiculus) at the end.


Braunsia apiculata

From the Latin name “apex (apic)” which means “tip, point, top, extreme end” + "ulus (ul)" the Latin dimutive substantive suffix for 1st & 2nd declension nounssuffix   and "atus" adjectival suffix for nouns: possessive of or likeness of something (with, shaped, made)/ for verb participles: a completed action, -ed

( The name implies: "abruptly short pointed").


For example Braunsia apiculata

     

 


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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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