Sundew

Identity

Common Name

Sundew

Scientific Name

Drosera rotundifolia

Botanical Family

Droseraceae

Native Region

Bogs of Europe, North America and Asia

Cultivation Regions

Europe, North America (often wild, some species protected)

Plant Parts Used

Aerial parts (whole plant)

Synonyms

Round-Leaved Sundew, Dewplant, Youthwort

Caffeine Level

Caffeine Free

A small carnivorous plant forming a basal rosette of round green leaves covered in glistening red-tipped glandular hairs that trap insects, sending up a slender stem of tiny white flowers.

Historical Background

Used since the 16th century in European herbalism as an antitussive for dry, spasmodic coughs; listed in old pharmacopeias before falling out of wide use.

Earliest recorded uses: Dry, tickly, spasmodic cough and chest complaints.

Cultural significance: A fascination of naturalists for its insect-trapping leaves; once a recognized cough remedy in European pharmacy.

1. 16th century

   European herbalists adopt sundew for spasmodic cough.

2. Modern

   Declines as synthetic antitussives rise; some species now protected.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Faint, green and earthy

Tea Information

Research Summary

Naphthoquinones (plumbagin) are studied for antimicrobial and antispasmodic effects; clinical evidence for cough is lacking.

Evidence levels reflect the currently available scientific literature and may change as new research emerges. Where evidence is limited or conflicting, this is stated plainly.

References & Sources