American Alyssum
EntdeckenPflanzen
American Alyssum
odontarrhena obovata
The American Alyssum (Odontarrhena obovata) is a resilient, low-growing perennial herb belonging to the mustard family. This hardy species is adapted to thrive in some of the most challenging environments on Earth, such as subalpine and alpine tundra, rocky mountain slopes, and metal-rich serpentine barrens. Its ability to colonize barren soils and survive freezing temperatures makes it an important pioneer species in northern latitudes, helping to stabilize gravelly substrates and initiate soil development.
Lebensraum: Found on rocky slopes, gravelly scree, alpine tundra, and serpentine soils in cold temperate and arctic regions.
Aussehen
American Alyssum forms low, spreading cushions or mats of woody-based stems reaching 5 to 20 centimeters in height. Its small, paddle-shaped (obovate) leaves are covered in a dense layer of tiny, silvery, star-shaped hairs, giving the foliage a distinct grayish-green or dusty appearance. In mid-summer, it produces dense, rounded clusters of tiny, bright yellow flowers, each featuring the characteristic four petals of the mustard family.
ReichPlantaeStammTracheophytaKlasseMagnoliopsidaOrdnungBrassicalesFamilieBrassicaceaeGattungOdontarrhena
Kategorie
PflanzenSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
The genus name Odontarrhena translates to 'toothed male' in Greek, referring to the characteristic shape of the filaments in the stamens of some species.
The silvery hairs that cover its leaves are so dense that they can make the entire plant look frosted even on warm summer days.
This plant is used by scientists in phytoremediation studies to explore how plants can clean up heavy-metal-polluted industrial soils.
Besondere Fähigkeiten
Fähigkeit
Nickel Hyperaccumulation
It can safely absorb and store high concentrations of toxic heavy metals, particularly nickel, from serpentine soils in its tissues.
Fähigkeit
Stellate Hair Shield
Its leaves are densely covered in star-shaped hairs that reflect excess solar radiation and reduce water loss from dry winds.
Fähigkeit
Frost Resistance
It produces specialized proteins and sugars that act as natural antifreeze, protecting its cellular structure during sudden freezes.
Maße und Details
- Länge
- 5-20 cm
- Gewicht
- 0.01-0.1 kg
- Lebenserwartung
- 3-10 Jahre
- Brutzeit
- 14-30 Tage
Ernährung und Fütterung
As a photoautotroph, this plant produces its own food using sunlight, carbon dioxide, water, and minerals absorbed through its roots.
Hauptnahrung
- Sunlight
- Water
- Carbon dioxide
- Soil minerals
Ökologische Zusammenhänge
eaten by
Cabbage White
Pieris rapae
Caterpillars feed on the foliage of this plant as a primary food source.
mutualism
Arctic Bumblebee
Bombus polaris
Provides vital nectar and pollen during the short arctic summer.
competitor
Moss Campion
Silene acaulis
Competes for space and sparse nutrients in dry alpine gravel soils.
Merkmale
Für dieses Objekt sind noch keine Merkmal-Badges vergeben.
Auch bekannt als
Noch keine Alternativnamen vorhanden.
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 American Alyssum?
Der einfachste Weg, American Alyssum zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von American Alyssum?
5-20 cm
Was ist der/die/das gewicht von American Alyssum?
0.01-0.1 kg
Was ist der/die/das lebenserwartung von American Alyssum?
3-10 Jahre
Was frisst American Alyssum?
As a photoautotroph, this plant produces its own food using sunlight, carbon dioxide, water, and minerals absorbed through its roots.
Wo findet man American Alyssum normalerweise?
Found on rocky slopes, gravelly scree, alpine tundra, and serpentine soils in cold temperate and arctic regions.
Was ist der/die/das brutzeit von American Alyssum?
14-30 Tage
Snap-Karte
Zoome hinein, um Cluster aufzulösen und zu sehen, wo dieses Objekt fotografiert wurde.
Karte wird geladen…
Neueste Snaps
Neueste Snaps erscheinen hier, wenn neue Beobachtungen hinzukommen.
