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Twice-Leaved Blackberry

rubus bifrons

The Twice-Leaved Blackberry (Rubus bifrons) is a vigorous, sprawling perennial shrub known for its arching canes and tasty, deep-purple to black fruits. Native to Europe but naturalized in many temperate regions worldwide, this resilient plant thrives in disturbed environments, forming dense, thorny thickets. These thickets provide excellent cover and nesting sites for small birds and mammals, though the plant's aggressive growth can sometimes overwhelm native vegetation. During the warm months, its showy blossoms serve as a rich nectar source for a variety of native pollinators, cementing its role as a key wildlife supporter.

Lebensraum: Typically found in disturbed sites, forest edges, riparian zones, old fields, and along roadsides in moist, well-drained soils.

Aussehen

This robust bramble features stout, arching canes that typically reach lengths of 1 to 6 meters, heavily armed with sharp, backward-curved prickles. Its palmately compound leaves are uniquely two-toned, displaying a smooth, dark green surface on top and a contrasting, felt-like, grayish-white underside. In late spring and summer, it produces clusters of five-petaled flowers ranging from white to light pink, which eventually develop into clusters of glossy, aggregate drupelets that turn black when fully ripe.

ReichPlantaeStammTracheophytaKlasseMagnoliopsidaOrdnungRosalesFamilieRosaceaeGattungRubus
Twice-Leaved Blackberry
Twice-Leaved Blackberry

Kategorie

Pflanzen

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

A single mature thicket of these blackberries can generate thousands of seeds annually, which can remain dormant in the soil for several years waiting for sunlight.

Historically, dense, thorny brambles like this species were purposefully planted around homesteads to serve as organic, impenetrable security fences.

The species name 'bifrons' literally translates to 'two-faced' or 'two-fronted,' describing the starkly contrasting dark green and bright white sides of its leaves.

Besondere Fähigkeiten

Fähigkeit

Bicolored Thermoregulation

The dense white hairs on the leaf undersides reflect excess solar radiation and reduce water loss through transpiration during hot days.

Fähigkeit

Canes Tip-Rooting

When the tips of its long, arching canes touch moist soil, they can quickly generate roots to establish new, independent clonal plants.

Fähigkeit

Armored Spines

Sharp, downward-curving prickles prevent herbivores from easily feeding on the foliage and assist the canes in climbing over surrounding vegetation.

Maße und Details

Länge
100-600 cm
Gewicht
1-15 kg
Lebenserwartung
5-25 Jahre

Ernährung und Fütterung

This plant produces its own organic compounds using sunlight, water, and carbon dioxide through photosynthesis, while absorbing key minerals through its root system.

Hauptnahrung

  • Sunlight
  • Water
  • Carbon dioxide
  • Soil nitrogen
  • Phosphorus

Ökologische Zusammenhänge

mutualism

Western Honey Bee

Apis mellifera

The flowers provide an abundant source of nectar and pollen for foraging honey bees in exchange for pollination.

eaten by

American Robin

Turdus migratorius

The ripe blackberries are eaten by robins, which then disperse the seeds throughout the landscape.

parasite

Raspberry Cane Borer

Oberea bimaculata

Larvae of this beetle tunnel into the woody canes, feeding on the pith and weakening the stalks.

Merkmale

Für dieses Objekt sind noch keine Merkmal-Badges vergeben.

Auch bekannt als

Himalayan Blackberry

Sammlungen

Sammlungen für dieses Objekt erscheinen hier, wenn weitere Themen hinzugefügt werden.

Sicherheit

Gefahr

1/5 · Sehr gering

Noch keine besonderen Sicherheitshinweise.

Häufig gestellte Fragen

Wie identifiziert man Twice-Leaved Blackberry?

Der einfachste Weg, Twice-Leaved Blackberry zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Twice-Leaved Blackberry?

100-600 cm

Was ist der/die/das gewicht von Twice-Leaved Blackberry?

1-15 kg

Was ist der/die/das lebenserwartung von Twice-Leaved Blackberry?

5-25 Jahre

Was frisst Twice-Leaved Blackberry?

This plant produces its own organic compounds using sunlight, water, and carbon dioxide through photosynthesis, while absorbing key minerals through its root system.

Wo findet man Twice-Leaved Blackberry normalerweise?

Typically found in disturbed sites, forest edges, riparian zones, old fields, and along roadsides in moist, well-drained soils.

Snap-Karte

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

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Neueste Snaps

Neueste Snaps erscheinen hier, wenn neue Beobachtungen hinzukommen.

Wo zu sehen

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