birthwort

Names and Synonyms

Common Names

• birthwort
• heartwort

Scientific Names

Accepted name

Synonyms

• Aristolochia clematitis f. undulata
• Aristolochia infesta
• Aristolochia quadriflora
• Aristolochia tenuis

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. Its taxonomic lineage continues through the subclass Magnoliidae and the order Piperales, placing it in the family Aristolochiaceae. Finally, it is identified under the genus Aristolochia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution pattern across several regions of the European continent. In Northern Europe, its presence is recorded in Denmark, Norway, and Sweden. It can also be found inhabiting parts of Great Britain within the same northern climatic zone. Furthermore, its range extends into Middle Europe, specifically within the borders of Austria. Together, these locations highlight the plant's preference for temperate European habitats.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Aristolochia clematidis is characterized by its adaptability to diverse terrestrial environments, ranging from shaded forest understories to more open, sunlit landscapes. This species is frequently found inhabiting meadows and parks, where it can establish itself in relatively undisturbed patches of vegetation. Its distribution spans various ecological niches, including both densely wooded forests and more human-altered or inhabited places, suggesting a resilience to varying degrees of environmental disturbance. The plant thrives in habitats that provide a balance of moisture and light, allowing it to integrate into the complex structural layers of both wild and managed landscapes.

Habitat :

forest,inhabitedplaces,meadows,parks

Life history

The life history of Aristolochia clematitis is characterized by its nature as a perennial plant, allowing it to persist in its environment over multiple growing seasons. As a hemicryptophyte, its perennable buds are located at or just below the soil surface, protected by leaf litter or ground debris during unfavorable periods. Its biological strategy is further defined by its status as a geophyte, relying on underground structures to survive seasonal shifts. Furthermore, the species exhibits a deciduous habit, shedding its foliage annually to manage resources and withstand seasonal changes before regenerating from its protected base.

Deciduousness :

deciduous

Life form :

geophyte

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Aristolochia clematis is characterized by its growth form as a non-woody herb and forb. It is a terrestrial plant that functions as an independent organism rather than a parasite or epiphyte. In terms of its structural habit, the species is self-supporting rather than acting as a liana or vine. The plant exhibits a variable stature, with a minimum height of 0.2 m, a mean height of 0.35 m, and a maximum height reaching up to 0.9 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.9 m

Plant height mean:

0.35 m

Plant height min:

0.2 m

Woodiness :

non-woody

Physiology

The physiology of Aristolochia clematitis is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency. The plant exhibits a non-carnivorous nutritional strategy, relying entirely on soil-based nutrient uptake rather than the capture of prey. Its leaf morphology is defined by a mean leaf size of 85.34625 cm², reflecting its structural development and light interception capabilities. Furthermore, the plant possesses a mean Specific Leaf Area (SLA) of 168.85 cm²/g, a metric that provides insight into its leaf thickness and the allocation of biomass relative to its surface area.

Carnivory :

non-carnivorous

Leaf size mean:

85.34625 cm²

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

168.85 cm²/g

Reproduction

The reproduction of Aristolochia clematis is characterized by a biotic pollination process, specifically utilizing an insect pollination syndrome where flies play a key role in the reproductive cycle. The flowering period typically commences in May and concludes in June. During this stage, the plant does not engage in self-fertilization, nor does it exhibit asexual reproduction, relying instead on sexual processes to ensure genetic diversity. Following successful pollination, the plant develops fruit in the form of a capsule. These fruits are dehiscence-type, meaning they are capable of opening at maturity to release their seeds. The seeds produced have a mean mass of approximately 0.032437 g and are distributed via an anemochorous dispersal syndrome, relying on wind for movement.

Dehiscence :

dehiscent

Dispersal syndrome :

anemochorous

Flowering time :

May

Flowering time :

Jun

Fruit type :

capsule

Pollination syndrome :

insect

Pollination syndrome :

fly

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed mass mean:

0.032437 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Aristolochia clematitis has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Aristolochic acid.

Aristolochic acid

1. Plants (Basel, Switzerland)

Conditions

Aristolochia clematitis has 2 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Balkan Endemic Nephropathy, Staphylococcus aureus.

Balkan endemic nephropathy

1. Plants (Basel, Switzerland)

Staphylococcus aureus

1. Biologia futura