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Hairy Crabweed

fatoua villosa

Hairy Crabweed (Fatoua villosa) is a fast-growing, opportunistic annual herb that has become a notorious weed across many parts of the world outside its native East Asian habitat. A member of the mulberry family (Moraceae), it thrives in disturbed soils, cultivated gardens, and commercial greenhouses, where it often hitchhikes undetected in the soil of nursery stock. Because of its rapid growth cycle and highly efficient reproductive strategies, it can quickly colonize empty spaces, making it a persistent headache for gardeners and agriculturalists. Despite its classification as an unwanted weed, Hairy Crabweed is a fascinating example of botanical adaptability. It has evolved to complete its life cycle in just a few short weeks, ensuring that even temporary patches of moisture and light are enough for it to produce another generation. Its success lies in its quiet resilience, easily blending in with harmless garden seedlings until it is already established.

Lebensraum: Typically found in disturbed soils, agricultural greenhouses, nursery containers, and shaded garden beds.

Aussehen

This plant is easily identified by its alternate, heart-shaped (ovate) leaves with serrated margins, which strongly resemble those of a young mulberry tree or a nettle. The entire plant, especially the stem and leaves, is covered in distinct, sticky, glandular hairs (trichomes) that give it a slightly dull, rough texture. It produces dense, globose, greenish-yellow to purple flower clusters (cymes) directly in the leaf axils. The plant typically grows upright, ranging from 10 to 80 centimeters in height depending on moisture and nutrient availability.

ReichPlantaeStammTracheophytaKlasseMagnoliopsidaOrdnungRosalesFamilieMoraceaeGattungFatoua
Hairy Crabweed
Hairy Crabweed

Kategorie

Pflanzen

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

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Interessante Fakten

Despite looking very much like a harmless mulberry seedling, Hairy Crabweed is actually a true herbaceous member of the mulberry family (Moraceae).

It is a notorious pest in commercial greenhouses, earning the nickname 'the nursery hitchhiker' due to its ability to spread secretly in potted soil.

Its tiny seeds are sticky when wet, allowing them to cling to gardening tools, pots, and shoes to travel even longer distances.

Besondere Fähigkeiten

Fähigkeit

Explosive Seed Ballistics

The mature flowers can forcefully eject seeds over short distances, allowing the plant to rapidly colonize neighboring nursery pots.

Fähigkeit

Sticky Trichome Shield

Its stems and leaves are covered in glandular, sticky hairs that deter crawling herbivores and reduce water loss.

Fähigkeit

Rapid Life Cycle

It can transition from a newly germinated seed to a mature, seed-producing adult in as little as four weeks.

Maße und Details

Länge
10-80 cm
Gewicht
0.01-0.15 kg
Lebenserwartung
0-1 Jahre
Brutzeit
5-14 Tage

Ernährung und Fütterung

As an autotrophic plant, Hairy Crabweed produces its own energy via photosynthesis, absorbing water and vital minerals from the soil through its root system.

Hauptnahrung

  • Sunlight
  • Water
  • Carbon dioxide
  • Soil nutrients

Ökologische Zusammenhänge

eaten by

Spotted Cucumber Beetle

Diabrotica undecimpunctata

Folivorous beetles frequently feed on the soft leaves of the crabweed.

host plant

Green Peach Aphid

Myzus persicae

Serves as a host reservoir for common agricultural aphid pests.

competitor

Red Mulberry

Morus rubra

Shares the same family (Moraceae) and competes for soil nutrients and light on woodland edges.

Merkmale

Für dieses Objekt sind noch keine Merkmal-Badges vergeben.

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Sammlungen

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Sicherheit

Gefahr

1/5 · Sehr gering

Noch keine besonderen Sicherheitshinweise.

Häufig gestellte Fragen

Wie identifiziert man Hairy Crabweed?

Der einfachste Weg, Hairy Crabweed zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Hairy Crabweed?

10-80 cm

Was ist der/die/das gewicht von Hairy Crabweed?

0.01-0.15 kg

Was ist der/die/das lebenserwartung von Hairy Crabweed?

0-1 Jahre

Was frisst Hairy Crabweed?

As an autotrophic plant, Hairy Crabweed produces its own energy via photosynthesis, absorbing water and vital minerals from the soil through its root system.

Wo findet man Hairy Crabweed normalerweise?

Typically found in disturbed soils, agricultural greenhouses, nursery containers, and shaded garden beds.

Was ist der/die/das brutzeit von Hairy Crabweed?

5-14 Tage

Snap-Karte

Zoome hinein, um Cluster aufzulösen und zu sehen, wo dieses Objekt fotografiert wurde.

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Neueste Snaps

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Wo zu sehen

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