What is answer of the plants on which the parasites attacks climbs?
Answers
A parasitic plant is a plant that derives some or all of its nutritional requirement from another living plant. They make up about 1% of angiosperms and are in almost every biome in the world. All parasitic plants have modified roots, called haustoria, which penetrates the host plants, connecting them to the conductive system – either the xylem, the phloem, or both. For example, plants like Striga or Rhinanthus connect only to the xylem, via xylem bridges (xylem-feeding). Alternately, plants like Cuscuta and Orobanche connect only to the phloem of the host (phloem-feeding).[1] This provides them with the ability to extract water and nutrients from the host. Parasitic plants are classified depending on where the parasitic plant latches onto the host and the amount of nutrients it requires.[2] Some parasitic plants are able to locate their host plants by detecting chemicals in the air or soil given off by host shoots or roots, respectively. About 4,500 species of parasitic plant in approximately 20 families of flowering plants are known.
Parasitic plants are characterized as follows:[2]
1a. Obligate parasite – a parasite that cannot complete its life cycle without a host.
1b. Facultative parasite – a parasite that can complete its life cycle independent of a host.
2a. Stem parasite – a parasite that attaches to the host stem.
2b. Root parasite – a parasite that attaches to the host root.
3a. Hemiparasite – a plant parasitic under natural conditions, but photosynthetic to some degree. Hemiparasites may just obtain water and mineral nutrients from the host plant; many obtain at least part of their organic nutrients from the host as well.
3b. Holoparasite - a parasitic plant that derives all of its fixed carbon from the host plant. Commonly lacking chlorophyll, holoparasites are often colors other than green.
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