Broad-Leaved Dock

rumex obtusifolius

The Broad-Leaved Dock (Rumex obtusifolius) is a highly resilient, perennial weed native to Europe but now widely naturalized across the globe. Known for its expansive, emerald leaves and tough, deep taproot, it is a familiar sight in pastures, roadsides, and disturbed soils. While gardeners often view it as a persistent agricultural weed, this hardy plant has a rich history in folk medicine, most famously as a natural soothing remedy for stinging nettle burns. Its ability to thrive in compacted, nutrient-rich soils makes it an ecological pioneer, preparing degraded land for subsequent plant successions.

生息地: Commonly found in disturbed grounds, agricultural fields, waste places, and damp meadows with nutrient-rich soils.

外見

Broad-Leaved Dock is easily identified by its massive, oblong-ovate leaves that can reach up to 40 cm in length, featuring heart-shaped bases and slightly wavy margins. The plant grows from a dense basal rosette to produce tall, erect, reddish-green stems that branch near the top. In summer, it produces dense clusters of tiny green flowers that mature into distinctive, three-winged, reddish-brown dry fruits, each containing a single glossy seed. It typically stands between 60 to 150 cm tall.

界Plantae門Tracheophyta綱Magnoliopsida目Caryophyllales科Polygonaceae属Rumex

Broad-Leaved Dock

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

According to folklore, rubbing a crushed dock leaf on a stinging nettle sting helps neutralize the pain, a practice still widely used by hikers today.

Historically, the tough roots of the plant were used to extract a yellow dye for wool and other textiles.

The seeds of the broad-leaved dock can pass through the digestive systems of farm animals completely unharmed, helping the plant spread across pastures.

特殊能力

Develops a massive, deep taproot that can penetrate over a meter into compacted soil, allowing it to access deep water reserves and survive harsh droughts.

Leaves produce oxalic acid and tannins, which deter many generalist herbivores and give the foliage its signature bitter taste.

A single mature plant can produce up to 60,000 seeds per year, which can remain viable in the soil for several decades waiting for the right conditions to germinate.

サイズと詳細

長さ: 50-150 cm
体重: 0.1-2 kg
寿命: 3-20 年

食性と食事

As a photoautotrophic plant, it produces its own organic compounds through photosynthesis, utilizing sunlight, carbon dioxide, water, and soil minerals.

主な食物

Sunlight
Water
Carbon Dioxide
Nitrogen
Phosphorus
Potassium

採餌方法

Photosynthesis

生態系とのつながり

eaten by

Green Dock Beetle

Gastrophysa viridula

This beetle feeds heavily on the leaves of the broad-leaved dock, often skeletonizing them.

competitor

Stinging Nettle

Urtica dioica

Often found growing alongside nettles in similar nutrient-rich soils, sharing the same ecological niche.

eaten by

Ruby Tiger Moth

Phragmatobia fuliginosa

The caterpillars of this moth species use dock leaves as a primary larval food plant.

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

Broad-Leaved Dockを見分けるには？

Broad-Leaved Dock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。

Broad-Leaved Dockの長さは何ですか？

50-150 cm

Broad-Leaved Dockの体重は何ですか？

0.1-2 kg

Broad-Leaved Dockの寿命は何ですか？

3-20 年

Broad-Leaved Dockは何を食べますか？

As a photoautotrophic plant, it produces its own organic compounds through photosynthesis, utilizing sunlight, carbon dioxide, water, and soil minerals.

Broad-Leaved Dockは通常どこに生息していますか？

Commonly found in disturbed grounds, agricultural fields, waste places, and damp meadows with nutrient-rich soils.

Broad-Leaved Dockはどのように狩りをしますか？

Photosynthesis