Tawny Cottongrass

eriophorum virginicum

Tawny Cottongrass is a captivating perennial sedge native to the acidic wetlands of eastern North America. Unlike other members of its genus that show off their fluffy heads in early spring, this late-blooming beauty waits until mid-to-late summer to transform bogs into sea-like drifts of copper and gold. It plays a key role in peatland ecosystems, stabilizing soggy substrates with its dense root networks and offering habitat to bog-dwelling invertebrates.

生息地: Found in acidic bogs, peatlands, fens, and wet muskegs, almost always growing in association with sphagnum moss layers.

外見

This slender, grass-like perennial grows between 40 to 100 centimeters tall, featuring narrow, rigid green leaves that taper to a sharp point. Its defining feature is the terminal cluster of seed heads, which develop into fluffy, egg-shaped or round tufts. These cottony masses display a distinctive warm tawny, cinnamon, or creamy-tan coloration, rather than the brilliant white of other cottongrass species, and persist on the plant well into the autumn months.

界Plantae門Tracheophyta綱Liliopsida目Poales科Cyperaceae属Eriophorum

Tawny Cottongrass

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

スナップ

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おもしろい事実

Historically, indigenous peoples and early settlers collected the fluffy seed tufts of cottongrasses to stuff pillows and mattresses when traditional feathers or wool were scarce.

The 'cotton' heads are actually modified flower parts (bristles) that expand into long, silky hairs after fertilization to assist with wind dispersal.

While most cottongrasses turn a stark white color, the Tawny Cottongrass is uniquely distinguished by its warm, cinnamon-brown to copper hue.

特殊能力

Thrives in extremely nutrient-poor and highly acidic environments, utilizing specialized root microbes to absorb scarce minerals.

Produces lightweight, elongated perianth bristles that act as natural parachutes, allowing wind to disperse seeds over vast distances.

Spreads via creeping underground rhizomes, forming dense, stabilizing mats over unstable, saturated bog surfaces.

サイズと詳細

長さ: 40-100 cm
寿命: 3-15 年

食性と食事

As a photosynthetic plant, it produces its own energy using sunlight, water, and carbon dioxide, while absorbing minimal nutrients from acidic peat soils.

主な食物

Sunlight
Water
Carbon Dioxide

生態系とのつながり

mutualism

Northern Peat Moss

Sphagnum capillifolium

Grows in close physical association, relying on the moss to maintain the acidic, waterlogged conditions necessary for its survival.

competitor

Purple Pitcher Plant

Sarracenia purpurea

Frequently shares acidic wetland micro-habitats, competing gently for space and sunlight while utilizing different nutrient sources.

eaten by

Eyed Brown

Satyrodes eurydice

The caterpillar larvae of this butterfly feed directly on the foliage of sedges, including Tawny Cottongrass.

特徴

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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

Tawny Cottongrassを見分けるには？

Tawny Cottongrass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。

Tawny Cottongrassの長さは何ですか？

40-100 cm

Tawny Cottongrassの寿命は何ですか？

3-15 年

Tawny Cottongrassは何を食べますか？

As a photosynthetic plant, it produces its own energy using sunlight, water, and carbon dioxide, while absorbing minimal nutrients from acidic peat soils.

Tawny Cottongrassは通常どこに生息していますか？

Found in acidic bogs, peatlands, fens, and wet muskegs, almost always growing in association with sphagnum moss layers.