dragon-root

Names and Synonyms

Common Names

• dragon-root
• green dragon
• dragon-arum
• dragonroot
• green-dragon
• dragon arum

Scientific Names

Accepted name

Synonyms

• Arisaema plukenetii
• Arisaema boscii
• Arum exsertum
• Muricauda dracontium

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Aliasmaetales, it is classified under the family Araceae. Finally, it is identified by its genus, Arisaema.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution across parts of North America. In Eastern Canada, its range includes the provinces of Ontario and Québec. Moving into the North-Central United States, the species is also found in Illinois. Furthermore, it extends its presence into the state of Iowa. Finally, the distribution reaches as far as Kansas within the North-Central region.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Arisaema dracontium is characterized by a perennial lifecycle, allowing the plant to persist in its habitat over many successive growing seasons. As a cryptophyte, it employs a survival strategy where its essential regenerative organs are protected underground during unfavorable environmental conditions. Specifically, its life form is classified as a geophyte, meaning it relies on specialized underground storage organs, such as corms or tubers, to endure dormancy and provide the necessary energy reserves for seasonal regrowth.

Life form :

geophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Arisaema dracontium is characterized by its growth form as a non-woody herb, specifically classified as a forb. It functions as an independent organism, exhibiting no parasitic or epiphytic behavior, as it is strictly terrestrial in its habitat. Unlike climbing vines or lianas, this species is entirely self-supporting, maintaining its structure without the need for external support or climbing mechanisms.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Ariosa dracontium is primarily characterized by its reliance on the C3 photosynthetic pathway, a mechanism typical of most shade-tolerant forest floor species that utilize the enzyme RuBisCO to fix atmospheric carbon dioxide during the Calvin cycle. This metabolic strategy allows the plant to function efficiently under the filtered light conditions of its natural habitat, though it necessitates careful regulation of gas exchange to minimize photorespiration. Beyond its carbon fixation processes, the plant exhibits specialized physiological adaptations related to its unique morphology, including the thermogenesis often observed in the spadix of Araceae, which facilitates the volatilization of scents to attract pollinators. The plant also manages complex nutrient uptake and water transport systems to support its rapid seasonal growth cycles, balancing energy production through its C3 pathway with the metabolic demands of its reproductive structures.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Arisaema dracontium is characterized by a specific seasonal flowering window and distinct seed characteristics. The flowering period for this species typically begins in May and concludes in June, although the timing can be variable depending on environmental conditions. Following successful pollination, the plant produces seeds with highly consistent physical properties; the seed mass is uniform, with a mean, maximum, and minimum value all recorded at 0.050115 g.

Flowering time :

May

Flowering time :

Jun

Seed mass mean:

0.050115 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Arisaema dracontium has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, stem.

Leaf

1. Microbial pathogenesis

Stem

1. Microbial pathogenesis

Chemicals

Arisaema dracontium has 6 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Glycosides, Saponins, Steroids, Tannins.

Flavonoids

1. Microbial pathogenesis

Glycosides

1. Microbial pathogenesis

Saponins

1. Microbial pathogenesis

Steroids

1. Microbial pathogenesis

Tannins

1. Microbial pathogenesis

Terpenoids

1. Microbial pathogenesis

Preparations