Cuscuta europea

Names and Synonyms

Common Names

• Cuscuta europea
• Great Dodder
• Greater Dodder
• European dodder

Scientific Names

Accepted name

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Cuscuta europaea, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is categorized under the order Solanales and the family Convolvulaceae. It is ultimately classified under the genus Cuscuta.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Cuscuta europaea, exhibits a specific distribution across several northern regions. In Northern Europe, it can be found growing within the borders of Denmark. Its presence is also documented throughout the vast landscapes of Finland. Furthermore, the species inhabits various habitats across Great Britain. Finally, the plant's range extends to the territories of Norway and Sweden.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Cuscuta europaea is characterized by its presence in diverse environments, ranging from forest edges and shrubberies to mountains, rivers, and stony places. This species occupies a significant altitudinal spectrum, thriving at elevations starting from a minimum of 840 m AMSL and reaching a maximum of 3100 m AMSL. Across its distribution, the plant maintains a mean elevation of approximately 1970 m AMSL, indicating a strong adaptation to montane and sub-montane ecological niches.

Elevational range max:

3100 m AMSL

Elevational range mean:

1970 m AMSL

Elevational range min:

840 m AMSL

Habitat :

forest edges, mountains, rivers, shrubberies, stony places

Life history

The life history of Cuscuta europaea is characterized by its status as an annual species, completing its entire reproductive cycle within a single growing season. As a therophyte, it survives unfavorable periods through specialized dormant stages, typically relying on seeds to persist in the soil until favorable environmental conditions trigger germination. Its growth habit is inherently deciduous, as the plant's delicate, thread-like structures do not maintain foliage or vegetative matter year-round, instead senescing once the reproductive phase is concluded or seasonal shifts occur. This combination of an annual lifecycle and a therophytic life form allows the plant to rapidly colonize host vegetation during the warm months before retreating into seed dormancy.

Deciduousness :

deciduous

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Cuscuta europaea is characterized by its specialized growth form as a non-woody, herbaceous forb. Functioning as an obligatory parasite, the plant lacks significant self-supporting structures and instead adopts a vine-like climbing habit. While its growth can be categorized under various ecological niches, it is primarily terrestrial in nature, rather than aquatic or semiaquatic. The plant exhibits a delicate, thread-like structure that typically reaches a height ranging from a minimum of 0.3 m to a maximum of 1.5 m. As a parasitic vine, it relies on host plants for nutrients, lacking the rigid woodiness found in many other climbing species.

Aquatic :

terrestrial

Climber :

vine

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

obligatory

Plant height max:

1.5 m

Plant height min:

0.3 m

Woodiness :

non-woody

Physiology

The physiology of Cuscuta europaea is defined by its specialized parasitic lifestyle, characterized by a complete lack of functional roots and leaves, which precludes the ability to perform independent photosynthesis. Unlike true carnivorous plants that capture and digest insects to supplement nutrient uptake, this species is strictly non-carnivorous; it instead relies on a sophisticated mechanism of heterotrophic parasitism. The plant functions through the development of specialized organ structures called haustoria, which penetrate the vascular tissues of a host plant. Once established, the haustoria facilitate the physiological hijacking of the host's xylem and phloem, allowing the parasite to absorb water, essential mineral ions, and organic nutrients, such as sucrose, directly from the host's circulatory system. This metabolic dependency means that the physiological processes of Cuscuta europaea are entirely integrated with the nutrient flow of its host, bypassing the need for traditional soil-based absorption or insectivory.

Carnivory :

non-carnivorous

Reproduction

The reproduction of Cuscuta europaea is characterized by a sexual process through bisexual flowers, as asexual reproduction is absent. The flowering period typically begins in June and concludes in August. The plant utilizes a biotic pollination syndrome, specifically relying on insects, with bees identified as a key pollinator. Within its reproductive structure, self-fertilization is present. The resulting fruit is a capsule that is dehiscent, meaning it opens at maturity to release its seeds. These seeds are notably small, with a mean mass of 0.000471 g, ranging from a minimum of 0.00039 g to a maximum of 0.00056 g. For the spread of the species, it employs an anemochorous dispersal syndrome, utilizing the wind to distribute its seeds.

Dehiscence :

dehiscent

Dispersal syndrome :

anemochorous

Flowering time :

Jun

Flowering time :

Aug

Fruit type :

capsule

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Reproduction asexual :

absent

Reproduction sexual :

bisexual

Seed mass max:

0.00056 g

Seed mass mean:

0.000471 g

Seed mass min:

0.00039 g

Self fertilization :

present

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Cuscuta europaea has 9 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Ash, CHLOROGENIC ACID, Kaempferol-3-O-galactoside, Tannin, bergenin.

Ash

1. Dr. Duke

CHLOROGENIC ACID

1. Antioxidants (Basel, Switzerland)

Kaempferol-3-O-galactoside

1. Antioxidants (Basel, Switzerland)

Tannin

1. Dr. Duke

bergenin

1. Dr. Duke

glucose

1. Dr. Duke

k20

1. Dr. Duke

kaempferol 3,7-O-diglucoside

1. Antioxidants (Basel, Switzerland)

quercetin 3-O-galactoside

1. Antioxidants (Basel, Switzerland)

Activities

Cuscuta europaea has 46 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Acetylcholinergic, Anthelmintic, AntiHIV, Antiamebic, Antiarrhythmic.

Acetylcholinergic

1. Dr. Duke

Anthelmintic

1. Dr. Duke

AntiHIV

1. Dr. Duke

Antiamebic

1. Dr. Duke

Antiarrhythmic

1. Dr. Duke

Antibacterial

1. Dr. Duke

Antibronchitic

1. Dr. Duke

Anticancer

1. Dr. Duke

Anticariogenic

1. Dr. Duke

Antidiarrheic

1. Dr. Duke