Hoary Mugwort

artemisia stelleriana

Hoary Mugwort (Artemisia stelleriana), also known as beach wormwood or dusty miller, is an eye-catching perennial plant famed for its striking silver-white foliage. Native to the sandy coasts of Northeast Asia and Northwest North America, it has successfully naturalized along many shorelines of Eastern North America and Northern Europe. Its velvety, deeply lobed leaves look almost frosted, an aesthetic that makes it a beloved choice for rock gardens and coastal landscaping. Beyond its beauty, this resilient plant plays a crucial role in stabilizing sand dunes, helping to prevent coastal erosion with its creeping rhizomes.

生息地: Found on sandy coastal dunes, beaches, and rocky shorelines, often tolerating high wind and salt spray.

外見

This low-growing, mat-forming perennial typically reaches heights of 15 to 60 centimeters. Its most distinctive feature is its dense covering of fine, felt-like white hairs that coat both sides of its deeply-lobed, chrysanthemum-like leaves, giving the plant a silvery, hoary appearance. In mid-to-late summer, it produces small, nodding, pale-yellow flower heads arranged in narrow, leafy clusters. The stems are semi-woody at the base and sprawl across sandy substrates.

界Plantae門Tracheophyta綱Magnoliopsida目Asterales科Asteraceae属Artemisia

Hoary Mugwort

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

スナップ

最初にスナップしよう！

おもしろい事実

Despite its delicate, velvety appearance, Hoary Mugwort is exceptionally tough, capable of surviving extreme winds and temperatures far below freezing.

Its scientific species name 'stelleriana' honors Georg Wilhelm Steller, a pioneering German naturalist who explored Siberia and Alaska in the 18th century.

The silvery hairs on its leaves act like natural sunscreen, reflecting harsh ultraviolet rays away from the plant's delicate tissues.

特殊能力

The thick layer of white, woolly hairs reflects excess solar radiation and reduces water loss through transpiration.

Specialized cellular structures allow the plant to thrive in highly saline environments where other vegetation would dehydrate.

An extensive network of underground stems anchors the plant firmly in shifting coastal dunes, helping to prevent erosion.

サイズと詳細

長さ: 15-60 cm
体重: 0.1-1.5 kg
寿命: 3-10 年

食性と食事

As a photosynthetic autotroph, this plant manufactures its own food using sunlight, carbon dioxide, and water while absorbing minerals through its roots.

主な食物

Sunlight
Carbon dioxide
Water
Soil minerals

生態系とのつながり

mutualism

American Bumblebee

Bombus pensylvanicus

Pollinated by various bees seeking nectar and pollen from its summer blooms.

competitor

American Beachgrass

Ammophila breviligulata

Grows alongside and competes for space and nutrients in coastal sand dune ecosystems.

eaten by

Wormwood Pug

Eupithecia absinthiata

The caterpillars of this moth feed on the flowers and foliage of Artemisia species.

特徴

このオブジェクトにはまだ特徴バッジが割り当てられていません。

別名

まだ別名はありません。

コレクション

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Hoary Mugwortを見分けるには？

Hoary Mugwortを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Hoary Mugwortの長さは何ですか？

15-60 cm

Hoary Mugwortの体重は何ですか？

0.1-1.5 kg

Hoary Mugwortの寿命は何ですか？

3-10 年

Hoary Mugwortは何を食べますか？

As a photosynthetic autotroph, this plant manufactures its own food using sunlight, carbon dioxide, and water while absorbing minerals through its roots.

Hoary Mugwortは通常どこに生息していますか？

Found on sandy coastal dunes, beaches, and rocky shorelines, often tolerating high wind and salt spray.