# Tilesius Wormwood (*artemisia tilesii*)

Artemisia tilesii, commonly known as Tilesius Wormwood, is a hardy perennial herb belonging to the sunflower family (Asteraceae). Native to cold, northern regions of North America and Siberia, this plant is well-adapted to harsh arctic and subarctic environments. It's known for its distinct aromatic foliage, often utilized in traditional medicine by indigenous communities for various ailments due to its rich array of secondary metabolites. Ecologically, it plays a role in stabilizing disturbed soils and providing forage for some wildlife in its rugged habitats, showcasing the resilience of life in extreme conditions.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 2
- **Habitat:** Found primarily in arctic and alpine tundra, rocky slopes, gravel bars, open woodlands, and disturbed areas such as roadsides and riverbanks.

![Tilesius Wormwood](https://inaturalist-open-data.s3.amazonaws.com/photos/20970593/medium.jpg)

Photo: Jason Grant, CC BY 4.0 · [iNaturalist](https://www.inaturalist.org/photos/20970593)

## Appearance

Tilesius Wormwood typically grows as a low-lying, often mat-forming plant, reaching heights of 10 to 40 cm. Its stems are erect to decumbent, usually densely covered in fine, silvery-white hairs, giving the plant a gray-green appearance. The leaves are deeply dissected, almost fern-like, with linear lobes, and also possess the characteristic silvery pubescence. Small, inconspicuous greenish-yellow flower heads, lacking ray florets, are clustered in terminal panicles, blooming in late summer.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Asterales
- **Family:** Asteraceae
- **Genus:** Artemisia

## Interesting facts

- Indigenous peoples across its range have traditionally used Artemisia tilesii for various medicinal purposes, including remedies for colds, headaches, and as a smudge for purification.
- Its ability to grow in nutrient-poor, rocky, and disturbed soils makes it a pioneer species, playing an important role in ecological succession in harsh environments.
- Like many Artemisia species, it produces a strong, distinctive aroma when crushed, which is a key identifying feature and a result of its unique chemical compounds.
- The species name "tilesii" honors Wilhelm Gottfried von Tilesius von Tilenau, a German naturalist and artist who participated in the first Russian circumnavigation of the globe.

## Special abilities

- **Cryoprotective Compounds:** The plant produces specialized compounds that act as natural antifreeze, preventing cell damage during freezing temperatures and allowing it to survive harsh arctic winters.
- **Aromatic Defense:** Its leaves contain volatile aromatic compounds, including terpenes, which deter many herbivores from grazing and may also exhibit allelopathic properties, inhibiting the growth of competing plants.
- **Rhizomatous Spreading:** Tilesius Wormwood spreads through underground rhizomes, enabling it to colonize new areas, survive disturbances, and form dense mats that help stabilize soils in its often-eroding habitats.

## Measurements & details

- **Length:** 10-40 cm
- **Weight:** 0.05-0.5 kg
- **Lifespan:** 3-10 years

## Diet & Feeding

As a photosynthetic plant, Artemisia tilesii produces its own food by converting sunlight, carbon dioxide, and water into sugars, utilizing nutrients absorbed from the soil.

- **Primary Foods:** Sunlight, Carbon Dioxide, Water, Nitrogen, Phosphorus, Potassium
- **Foraging Method:** Photosynthesis And Nutrient Absorption

## Ecological connections

- **Mutualism:** Small Insects (*Insecta*) — Pollination service.
- **Eaten by:** [Arctic Ground Squirrel](https://www.snappit.app/explore/arctic-ground-squirrel) (*Urocitellus parryii*) — Herbivory.
- **Mutualism:** [Mycorrhizal Fungi](https://www.snappit.app/explore/mycorrhizal-fungi) (*Glomeromycota*) — Soil nutrient cycling and plant growth enhancement.
- **Host plant:** Moth larvae (*Noctuidae*) — Habitat and food for larvae.

## Safety

**Danger:** 1/5 · Very low

No special safety notes yet.

## Frequently Asked Questions

### How to identify Tilesius Wormwood?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How long is Tilesius Wormwood?

10-40 cm

### How much does Tilesius Wormwood weigh?

0.05-0.5 kg

### How long does Tilesius Wormwood live?

3-10 years

### What does Tilesius Wormwood eat?

As a photosynthetic plant, Artemisia tilesii produces its own food by converting sunlight, carbon dioxide, and water into sugars, utilizing nutrients absorbed from the soil.

### Where is Tilesius Wormwood usually found?

Found primarily in arctic and alpine tundra, rocky slopes, gravel bars, open woodlands, and disturbed areas such as roadsides and riverbanks.

### How does Tilesius Wormwood hunt?

Photosynthesis And Nutrient Absorption

## Where to spot

- [Gakona Historic District](https://www.snappit.app/guides/places/gakona-historic-district) — Alaska, US · Historic District

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Tilesius Wormwood: Facts & Places to See — Snappit](https://www.snappit.app/explore/tilesius-wormwood)
