isona, noun

ZuluShow more Zulu, literally ‘that which spoils, damages, corrupts’.
The witchweed, Striga asiatica.
1907 J.M. Wood Handbk to Flora of Natal 92The ‘Witchweeds,’ known to the natives as ‘Isona,’ which are found in mealie fields and are parasitical on the roots of the mealies and other species of the grass family.
1917 R. Marloth Dict. of Common Names of Plants 90Witchweed,..A parasitical herb of mealie-fields, also called Rooiblom or Isona or Matabele flower.
1966 [see witchweed].
The witchweed, Striga asiatica.
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