
Horned Bladderwort
utricularia cornuta
The Horned Bladderwort is a fascinating carnivorous wildflower native to wet, acidic environments across North America. Despite its delicate appearance, this plant is a formidable predator. Because it grows in nutrient-poor bog soils and shallow waters, it has evolved a highly specialized method of survival. Lacking true roots, it utilizes a network of subterranean or underwater stems equipped with microscopic bladder traps that capture tiny invertebrates with explosive speed. Above the soggy substrate, the plant presents a beautiful contrast to its muddy habitat. It sends up slender, leafless stalks topped with bright yellow flowers, each featuring a distinctive, horn-like spur. This combination of delicate floral beauty and sophisticated subterranean hunting makes the Horned Bladderwort a favorite among botanists and nature enthusiasts alike.
Lebensraum: Typically found in wet, acidic environments such as sandy or peaty bogs, fens, lakeshores, and wet ditches.
Aussehen
This plant is easily identified by its vibrant, snapdragon-like yellow flowers that bloom on erect, slender, reddish-brown stalks rising 10 to 30 centimeters high. Each flower features a prominent, downward-pointing spur, or 'horn', which measures about 1 to 1.5 centimeters in length. The leaves are largely absent or reduced to microscopic, root-like structures hidden beneath the mud or water, bearing tiny, translucent bladder-like traps that are rarely visible to the naked eye without disturbing the substrate.

Kategorie
PflanzenSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
Each bladder trap operates with a built-in cellular pump that continually bails out water to maintain a constant internal vacuum, primed for the next victim.
The common name 'Horned' refers to the prominent downward-pointing spur at the base of the yellow flower, which resembles a tiny spur or horn.
The suction traps of the Horned Bladderwort are among the fastest moving plant structures in the world, snapping shut in less than a millisecond.
Unlike most terrestrial plants, this species lacks true roots, relying instead on modified underground stems to anchor itself.
Besondere Fähigkeiten
Vacuum Bladder Traps
Utilizes subterranean or underwater bladders that maintain a negative pressure vacuum, snapping open in less than a millisecond when trigger hairs are touched to suck in prey.
Rootless Anchorage
Lacks true roots, anchoring itself instead via modified stolons and rhizoids in loose, saturated soil or shallow water.
Nutrient Independence
Thrives in extremely nutrient-deficient, highly acidic soils by digesting organic matter and small invertebrates to supplement nitrogen and phosphorus.
Maße und Details
- Länge
- 10-30 cm
- Gewicht
- 0.001-0.01 kg
- Lebenserwartung
- 1-5 Jahre
Ernährung und Fütterung
Captures and digests microscopic soil and aquatic invertebrates using subterranean vacuum-suction traps.
Hauptnahrung
- Water fleas
- Rotifers
- Copepods
- Nematodes
- Protozoa
Nahrungssuche
- Ambush
Ökologische Zusammenhänge
Cyclopoid Copepod
Cyclops bicuspidatus
Captures and digests copepods in its underwater or subterranean bladder traps.
Sweat Bee
Lasioglossum pectorale
Bees visit the yellow flowers for nectar and transport pollen, facilitating fertilization.
Spatulate-leaved Sundew
Drosera intermedia
Shares wet, nutrient-poor bog habitats and competes for similar small invertebrate prey.
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Sicherheit
Gefahr
1/5 · Sehr gering
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Häufig gestellte Fragen
Wie identifiziert man Horned Bladderwort?
Der einfachste Weg, Horned Bladderwort zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Horned Bladderwort?
10-30 cm
Was ist der/die/das gewicht von Horned Bladderwort?
0.001-0.01 kg
Was ist der/die/das lebenserwartung von Horned Bladderwort?
1-5 Jahre
Was frisst Horned Bladderwort?
Captures and digests microscopic soil and aquatic invertebrates using subterranean vacuum-suction traps.
Wo findet man Horned Bladderwort normalerweise?
Typically found in wet, acidic environments such as sandy or peaty bogs, fens, lakeshores, and wet ditches.
Wie jagt Horned Bladderwort?
Ambush
Snap-Karte
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Neueste Snaps
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