Creeping Yellowcress
ExplorePlants
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. For quick identification of Creeping Yellowcress during outdoor trips, download the Snappit app.
Habitat: Typically found in damp, low-lying areas such as riverbanks, wet meadows, ditches, and cultivated gardens with moist soils.
Appearance
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.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderBrassicalesFamilyBrassicaceaeGenusRorippa
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
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.
Special abilities
Ability
Clonal Regeneration
Can rapidly regrow from extremely small rhizome fragments, making it exceptionally resilient to physical weeding and tilling.
Ability
Waterlogging Tolerance
Possesses specialized root adaptations that allow it to survive and photosynthesize in waterlogged, anaerobic soils where other plants drown.
Ability
Allelopathic Potential
Releases chemical compounds into the surrounding soil that can suppress the germination and growth of neighboring plant competitors.
Measurements & details
- Length
- 20+ cm
- Lifespan
- 2+ years
Diet & Feeding
As a photoautotrophic plant, Creeping Yellowcress produces its own energy using chlorophyll to capture sunlight, combining it with carbon dioxide and water.
Primary Foods
- Sunlight
- Carbon dioxide
- Water
- Soil minerals
Ecological connections
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.
Traits
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Also known as
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Creeping Yellowcress?
The easiest way to identify Creeping Yellowcress is to use the Snappit nature identifier app.
How long is Creeping Yellowcress?
20+ cm
How long does Creeping Yellowcress live?
2+ years
What does Creeping Yellowcress eat?
As a photoautotrophic plant, Creeping Yellowcress produces its own energy using chlorophyll to capture sunlight, combining it with carbon dioxide and water.
Where is Creeping Yellowcress usually found?
Typically found in damp, low-lying areas such as riverbanks, wet meadows, ditches, and cultivated gardens with moist soils.
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