Striga
Genus of flowering plants belonging to the broomrape family / From Wikipedia, the free encyclopedia
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Striga, commonly known as witchweed,[1] is a genus of parasitic plants that occur naturally in parts of Africa, Asia, and Australia. It is currently classified in the family Orobanchaceae,[2] although older classifications place it in the Scrophulariaceae.[3] Some species are serious pathogens of cereal crops, with the greatest effects being in savanna agriculture in Africa. It also causes considerable crop losses in other regions, including other tropical and subtropical crops in its native range and in the Americas. The generic name derives from Latin strī̆ga, "witch".[4]
Striga | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Lamiales |
Family: | Orobanchaceae |
Tribe: | Buchnereae |
Genus: | Striga Lour. |
Witchweeds are characterized by bright-green stems and leaves and small, brightly colored and attractive flowers.[5] They are obligate hemiparasites of roots and require a living host for germination and initial development, though they can then survive on their own.[6]
The number of species is uncertain, but may exceed 40 by some counts.[6][7]