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rough cocklebur

Xanthium strumarium

The rough cocklebur is a plant with big, spiky seed pods. It grows in sunny places and can be found in fields and along roadsides. Its unique look makes it easy to spot!

Habitat: Fields and roadsides

Appearance

The rough cocklebur is a sturdy plant with thick, reddish-green stems and broad, heart-shaped leaves that feel rough to the touch. Its most striking feature is the numerous oval-shaped burrs, covered in stiff, hooked spines, which mature from green to brown.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderAsteralesFamilyAsteraceaeGenusXanthium
rough cocklebur
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rough cocklebur

Category

Plants

Rarity

Common

Danger

2/5 · Low

Snaps

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Interesting facts

It is one of the top causes of hay fever due to its abundant wind-blown pollen!

Its buried seeds can survive for over 10 years, just waiting for a chance to grow!

The cocklebur's amazing hooked burrs inspired the invention of super-sticky Velcro!

This plant is often one of the first to grow in disturbed soil, like a pioneer!

Special abilities

Ability

Travel Hitchhiker

Rough cocklebur has tough, spiky burrs that cling to fur or clothes, helping its seeds travel far and wide to new growing spots.

Ability

Tough Survivor

Rough cocklebur can grow in poor soils and disturbed areas, quickly establishing itself where other plants struggle.

Ability

Chemical Shield

The rough cocklebur produces toxic compounds, especially in its young plants, to deter hungry animals from eating it.

Measurements & details

Height
30-150 cm
Spread
30-90 cm
Flower Size
0.5-1 cm
Bloom Season
Late summer to fall
Edible
No
Toxicity
High
Lifecycle
Annual
Pollination Method
Wind

Ecological connections

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

2/5 · Low

Be careful not to touch the spiky seed pods, as they can be sharp.

Frequently Asked Questions

How tall is rough cocklebur?

30-150 cm

How wide does rough cocklebur spread?

30-90 cm

How big are the flowers on rough cocklebur?

0.5-1 cm

When does rough cocklebur bloom?

Late summer to fall

Is rough cocklebur edible?

No

Is rough cocklebur toxic?

High

What is rough cocklebur's lifecycle?

Annual

How is rough cocklebur pollinated?

Wind

Snap Map

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Where to spot

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