| any tropical plant of the genus Gennera, native to South America, having enormous leaves resembling rhubarb. |
gun·ner·a  (gŭn'ər-ə, gə-nĭr'ə) n. Any of several plants of the tropical genus Gennera, having gigantic leaves and small, red to purple drupes. [New Latin Gunnera, genus name, after Johann Ernst Gunnerus (1718-1773), Norwegian botanist.] |
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