false wormwood

Names and Synonyms

Common Names

• false wormwood

Scientific Names

Accepted name

Synonyms

• Artemisia keiskeana f. hirtella
• Artemisia decaisnei

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Artemisia keiskeana, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Asterales and the family Asteraceae. Finally, it is situated within the genus Artemisia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is widely distributed across several key regions within Eastern Asia. Its presence is notable in the Russian Far East, specifically within the Primorye region. In China, the species can be found throughout Manchuria as well as in China North-Central areas. The geographical range also extends to the islands of Japan. Finally, this medicinal plant is commonly located across the Korean Peninsula.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Artemisia keiskeana is defined by its preference for rugged and diverse terrain, specifically thriving within forest ecosystems, mountainous regions, and stony places. Its ability to colonize these varied landscapes suggests an adaptation to environments that may feature significant altitudinal shifts and well-drained, rocky substrates. By occupying both the shaded or semi-shaded understories of forests and the exposed, mineral-rich niches of stony mountain slopes, the species demonstrates a resilient ecological niche capable of managing different levels of solar exposure and soil stability.

Habitat :

forest, mountains, stony places

Life history

The life history of Artemisia keiskeana is characterized by its status as a perennial species, allowing it to persist through multiple growing seasons. As a perennial, the plant establishes a robust biological presence that enables it to endure seasonal fluctuations and re-emerge annually from its established root system or vegetative structures. This life cycle strategy supports long-term survival within its specific ecological niche, facilitating continuous growth and repeated reproductive efforts over several years rather than completing its cycle within a single season.

Lifecycle :

perennial

Morphology

The morphology of Artemisia keiskeana is characterized by a herbaceous growth form, manifesting as both a herb and a forb. The plant is non-woody in structure and functions as a self-supporting organism rather than a climber. In terms of stature, it maintains a relatively low profile, with a plant height ranging from a minimum of 0.2 m to a maximum of 0.5 m.

Climber :

self-supporting

Growth form :

herb

Plant height max:

0.5 m

Plant height min:

0.2 m

Woodiness :

non-woody

Physiology

The physiology of Artemisia keiskeana is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency. Its foliar morphology plays a critical role in its physiological profile, featuring lanceolate leaf forms with distinct toothed margins. The leaves exhibit significant dimensional variability, with mean lengths of 5.5 cm and a range spanning from a minimum of 3 cm to a maximum of 8 cm. Similarly, leaf width fluctuates between a minimum of 1.5 cm and a maximum of 4.5 cm, maintaining a mean width of 3 cm. While the plant does not possess leaf thorns, it is physiologically characterized by the presence of leaf spines, which contribute to its structural defense mechanisms.

Leaf form :

lanceolate

Leaf length max:

8 cm

Leaf length mean:

5.5 cm

Leaf length min:

3 cm

Leaf margin :

toothed

Leaf spines :

yes

Leaf thorns :

no

Leaf width max:

4.5 cm

Leaf width mean:

3 cm

Leaf width min:

1.5 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Artemisia keiskeana is characterized by a specific phenological window for its flowering stage. The plant enters its reproductive phase with the flowering start occurring in August, though the timing can be subject to environmental variations. This flowering period concludes within the same month, with the flowering end also recorded in August. These temporal traits indicate a concentrated reproductive effort concentrated during this specific period of the year.

Flowering time :

Aug

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Artemisia keiskeana has 9 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Artekeiskeanin A, Artekeiskeanol A, Artekeiskeanol B, Artekeiskeanol C, Artekeiskeanol D.

Artekeiskeanin A

1. Planta medica

Artekeiskeanol A

1. Journal of natural products

Artekeiskeanol B

1. Journal of natural products

Artekeiskeanol C

1. Journal of natural products

Artekeiskeanol D

1. Journal of natural products

Daphnoretin

1. Journal of natural products

Dracunculin

1. Planta medica

Fraxidin

1. Journal of natural products

Isofraxidin

1. Journal of natural products