单词	broomrape
释义	broomrape /ˈbruːmreɪp / noun A parasitic plant which bears tubular flowers on a leafless brown stem. It is attached by its tubers to the roots of the host plant. Genus Orobanche, family Orobanchaceae. The broomrapes (Orobanche spp.) are obligate parasitic weeds that cause severe damage to hosts.... Likewise, the subtree of broomrapes alone does not differ from that of photosynthetic plants in degree of constraint. So far, U.S. sunflower growers have not been plagued by broomrape. Origin Late 16th century: from broom + Latin rapum 'tuber'.
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