SafePlants

Cuscuta obtusiflora: Peruvian Dodder

Cuscuta obtusiflora, commonly known as Peruvian dodder, is a parasitic plant belonging to the Convolvulaceae family.

Taxonomy and Nomenclature

• Scientific Name: Cuscuta obtusiflora Kunth
• Common Name: Peruvian Dodder
• Family: Convolvulaceae (Morning Glory Family)
• Rank: Species

Synonyms mentioned include:

• Cuscuta australis (though this is more likely confused synonymy)
• Cuscuta australis var. tinei (though this is more likely confused synonymy)
• Cuscuta breviflora (though this is more likely confused synonymy)
• Cuscuta scandens (though this is more likely confused synonymy)
• Cuscuta tinei (though this is more likely confused synonymy)

A recognized variety is:

• Cuscuta obtusiflora var. glandulosa Engelm.

Distribution and Habitat

• Native to California.
• Also found in Louisiana, Arkansas and Oklahoma.
• Mentioned as being found in Arizona.

Ecological Role

• Dodder is described as an annual parasitic weed, meaning it relies on host plants for water and nutrients.

Morphological Characteristics

• An annual herb or vine, specifically a parasitic vine.
• Leaves are either absent or scale-like.
• Flowers are white and 5-parted.
• Fruit is a dry, hollow capsule.

Considerations for Pets

• As a parasitic vine, it will attach to other plants.

Considerations for Children

• As a parasitic vine, it will attach to other plants.

Interactions with Other Organisms

• Dodder is a parasitic plant, meaning it obtains water and nutrients by penetrating the tissues of host plants.
• Peruvian dodder can be confused with other dodder species, such as Cuscuta gronovii.

Further Information

• California Native Plant Society
• Dave's Garden
• CalPhotos
• KSU Greenhouse