Invasive Species Compendium

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Abstract

Phytodiversity of parasitic hosts of Cuscuta reflexa Roxb. in Cooch Behar district of West Bengal.

Abstract

Taxon Cuscuta belonging to the order Cuscutales originated as a natural climax order from the subclass Magnoliidae. It is provided that this order is a relic of an archaic basic group with abundant primitive features and with outstanding physiological adaptation for parasitism. So, the hosts range diversity of such taxonomic group Cuscuta (particularly Cuscuta reflexa Roxb.) in Coochbehar district is discussed in this paper. Altogether, 58 species (54 dicots and 4 monocots) comprising 50 genera, representing 31 families of angiosperms have been found to be the host of Cuscuta reflexa in the district. The ratio of monocot to dicot is 1:13.5. Among the hosts, two species are new reports (Malachra capitata and Catharanthus pusillus), which will be helpful in enriching the current knowledge in the field of biology in near future.