Holoparasite

A holoparasite is a plant that is completely parasitic on other plants. Plants of this type generally have no chlorophyll and cannot exist without a host plant. The two types of holoparasites are those that are parasitic on other plants` stems and those that are parasitic on other plants` roots. Plants usually considered holoparasites include br.....
Found on http://en.wikipedia.org/wiki/Holoparasite

holoparasite

holoparasite A nonphotosynthetic parasite that must obtain carbohydrates found in the host plant phloem (food-conducting tissue of a plant). A parasitic flowering plant that lacks chlorophyll (nonphotosynthetic) and must rely totally on the contents of the xylem (woody part of plants; supporting and water-conducting tissue) and the phloem of the h...
Found on http://www.wordinfo.info/words/index/info/view_unit/2767/

Holoparasite

Parasitic plants which lack chlorophyll and are therefore wholly dependent on their host plant for the supply of water, nutrients and fixed carbon.
Found on http://www.blackwellpublishing.com/Townsend/Glossary/GlossaryH.html
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