Creeping Yellowcress

rorippa sylvestris

Creeping Yellowcress (Rorippa sylvestris) is a highly resilient and vibrant perennial herb belonging to the mustard family. Native to Europe and Asia, it has successfully naturalized across North America, thriving particularly in damp, disturbed grounds. What makes this plant truly fascinating is its incredible tenacity; it spreads aggressively via a dense network of underground creeping roots (rhizomes). While gardeners often view it as a persistent weed, it plays a role in stabilizing wet soils along riverbanks and provides a nectar source for early-season pollinators. Its ability to colonize challenging environments showcases the remarkable adaptability of the Brassicaceae family.

生息地: Typically found in damp, low-lying areas such as riverbanks, wet meadows, ditches, and cultivated gardens with moist soils.

外見

This low-growing perennial typically reaches heights of 20 to 60 centimeters, featuring bright yellow flowers that bloom in small clusters at the ends of its branched stems. Each tiny flower is about 5 to 8 millimeters wide, displaying four distinct petals arranged in a cross shape, characteristic of the mustard family. Its leaves are deeply pinnately divided into narrow, sharply toothed lobes, giving the foliage a delicate, feathery appearance. Following fertilization, it produces slender, upward-pointing seed pods (siliques) that measure up to 15 millimeters in length.

界Plantae門Tracheophyta綱Magnoliopsida目Brassicales科Brassicaceae属Rorippa

Creeping Yellowcress

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 being classified as a weed, its peppery leaves are technically edible, though they are rarely harvested due to their bitter taste and tendency to absorb soil contaminants.

Even tiny root fragments as small as one centimeter left in the soil can regenerate into an entirely new plant.

It belongs to the mustard family, sharing its lineage with popular agricultural crops like broccoli, cabbage, and horseradish.

特殊能力

Can rapidly regrow from extremely small rhizome fragments, making it exceptionally resilient to physical weeding and tilling.

Possesses specialized root adaptations that allow it to survive and photosynthesize in waterlogged, anaerobic soils where other plants drown.

Releases chemical compounds into the surrounding soil that can suppress the germination and growth of neighboring plant competitors.

サイズと詳細

長さ: 20+ cm
寿命: 2+ 年

食性と食事

As a photoautotrophic plant, Creeping Yellowcress produces its own energy using chlorophyll to capture sunlight, combining it with carbon dioxide and water.

主な食物

Sunlight
Carbon dioxide
Water
Soil minerals

生態系とのつながり

eaten by

Cabbage White

Pieris rapae

The larvae of the Cabbage White butterfly feed on the leaves of the Creeping Yellowcress.

mutualism

Western Honey Bee

Apis mellifera

Honeybees visit the bright yellow flowers to collect nectar and pollen, acting as key pollinators.

competitor

Creeping Thistle

Cirsium arvense

Competes directly with other aggressive pasture plants like Creeping Thistle for soil space and nutrients.

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

Creeping Yellowcressを見分けるには？

Creeping Yellowcress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。

Creeping Yellowcressの長さは何ですか？

20+ cm

Creeping Yellowcressの寿命は何ですか？

2+ 年

Creeping Yellowcressは何を食べますか？

As a photoautotrophic plant, Creeping Yellowcress produces its own energy using chlorophyll to capture sunlight, combining it with carbon dioxide and water.

Creeping Yellowcressは通常どこに生息していますか？

Typically found in damp, low-lying areas such as riverbanks, wet meadows, ditches, and cultivated gardens with moist soils.