Purple Cress

cardamine douglassii

Welcome the spring with the delicate Purple Cress (Cardamine douglassii), also known as the Limestone Bittercress. This charming native perennial is one of the very first wildflowers to carpet the deciduous forest floors of eastern North America as winter recedes. Emerging often while patches of snow still linger, its vibrant, pale pinkish-purple blossoms offer a vital early-season lifeline to awakening native pollinators, bringing a cheerful pop of color to the damp, sleepy woods when most other plants are still dormant. As a true spring ephemeral, Purple Cress completes much of its active life cycle in the brief, sunny window before the forest canopy leafs out, relying on underground rhizomes to persist year after year.

生息地: Found in damp, rich deciduous forests, floodplains, and low calcareous woods, often near limestone outcrops or seeps.

外見

Purple Cress is a low-growing perennial herb reaching 10 to 30 centimeters in height. Its upright, unbranched stems are covered in fine, soft hairs and are crowned by clusters of four-petaled flowers, which range in color from pale lavender and soft pink to a deeper magenta-purple. Each flower features prominent light yellow or purple-tipped anthers at its center. The leaves are variable: basal leaves are rounded and purplish underneath on long petioles, while the stem leaves are alternate, simple, and slightly toothed or wavy along the margins.

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

Purple Cress

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

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おもしろい事実

It is one of the earliest native wildflowers to bloom in eastern North America, sometimes pushing directly through late-season snow cover.

Its scientific genus name, Cardamine, comes from the ancient Greek word for watercress, referencing the bitter, peppery qualities of its foliage.

The leaves of Purple Cress have a mild, peppery flavor similar to watercress or radishes, which is characteristic of the mustard family.

特殊能力

Produces specialized cold-hardy compounds that protect its tissues from freezing, allowing it to bloom during late winter frosts.

Completes its foliage development, flowering, and seed production rapidly in early spring before the overhead forest canopy blocks the sunlight.

Utilizes explosive seedpods that burst open elastically when dry, flinging mature seeds several feet away from the parent plant.

サイズと詳細

長さ: 10-30 cm
寿命: 3-10 年

食性と食事

As a photosynthetic plant, Purple Cress manufactures its own energy from carbon dioxide, water, and sunlight, while absorbing essential minerals from the soil.

主な食物

Sunlight
Carbon Dioxide
Water
Soil Minerals

生態系とのつながり

host plant

West Virginia White Butterfly

Pieris virginiensis

The caterpillars of this specialized butterfly feed on the leaves of Purple Cress, which serves as an essential larval host.

mutualism

Carlin's Mining Bee

Andrena carlini

Early-season mining bees visit the blossoms to forage for pollen and nectar, acting as vital pollinators for the plant.

eaten by

White-tailed Deer

Odocoileus virginianus

White-tailed deer browse on the fresh spring foliage and flowering stems when other forest vegetation is still scarce.

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

Purple Cressを見分けるには？

Purple Cress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。

Purple Cressの長さは何ですか？

10-30 cm

Purple Cressの寿命は何ですか？

3-10 年

Purple Cressは何を食べますか？

As a photosynthetic plant, Purple Cress manufactures its own energy from carbon dioxide, water, and sunlight, while absorbing essential minerals from the soil.

Purple Cressは通常どこに生息していますか？

Found in damp, rich deciduous forests, floodplains, and low calcareous woods, often near limestone outcrops or seeps.