Thursday, May 9, 2013

Parasitic Plants



Parasitic plants រុក្ខជាតិបញ្ញើក្អែក                             umbrageous មានម្លប់

Haustoria ឬសបញ្ញើក្អែក                                  rafflesia​ ផ្កាណងចាន់

Flourish លូតលាស់ល្អ                                      ponderous ធ្ងន់


Parasitic plants are plants that survive by using food produced by host plants rather than by producing their own food from the Sun’s energy. Because they do not need sunlight to survive, parasitic plants are generally found in umbrageous areas rather than in areas exposed to direct sunlight. Parasitic plants attach themselves to host plants, often to the stems of roots, by means of haustoria, which the parasite uses to make its way into the food channels of the host plant and absorb the nutrients that it needs to survive from the host plant.
The world’s heaviest flower, a species of rafflesia, is a parasite that flourishes among, and lives off of, the roots of jungle vines. Each of these ponderous blooms can weigh up to 15 pounds (7 kilograms) and can measure up to 3 feet (1 meter) across.

Extracted from the book of LONGMAN Preparation Course for the TOEFL Test and translated by Ty Theavy
 

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