
Hoary Pincushion
chaenactis douglasii
The Hoary Pincushion (Chaenactis douglasii) is a resilient, biennial or short-lived perennial wildflower native to the arid and mountainous regions of western North America. Belonging to the aster family, this species is well-adapted to survive in harsh, rocky, and sandy soils where other plants struggle. It is easily recognized by its dusty, cobwebby appearance, which is actually a dense covering of fine white hairs designed to conserve moisture in dry environments. Throughout the summer, the Hoary Pincushion produces clusters of delicate white to pale pink flower heads. These flower heads lack the outer ray petals typical of many asters, giving them a distinct, rounded appearance reminiscent of a classic sewing pincushion. It plays an important role in its native ecosystem, providing vital nectar for native bees, butterflies, and other pollinators in dry sagebrush steppes and pine forests.
Lebensraum: Found in dry, open habitats including sagebrush deserts, sandy plains, gravelly volcanic slopes, and open ponderosa pine forests.
Aussehen
This species grows as an erect herb, ranging from 10 to 60 centimeters in height. Its stems and deeply lobed, fern-like leaves are densely covered in white, woolly, or cobweb-like hairs, giving the entire plant a dusty, grayish-green or 'hoary' look. The flower heads are clustered at the ends of the stems, featuring numerous tubular, five-lobed disk florets that range from pure white to a soft, pastel pink. The outstanding feature is the complete absence of ray florets, giving each flower head a tight, dome-like, pincushion appearance studded with protruding, dark-tipped stamens.

Kategorie
PflanzenSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
Its common name 'hoary' refers to the grayish-white, cobwebby hairs that give it a frosted or dusty look, protecting it from drying out in harsh sun.
Native American tribes, including the Okanogan-Colville, historically used infusions of the root and leaves as a wash for sore eyes and skin irritations.
Unlike classic daisies or sunflowers, the hoary pincushion's flower heads completely lack showy outer ray petals, consisting entirely of tightly packed disk florets.
Besondere Fähigkeiten
Woolly Sun Shield
Densely matted white hairs reflect intense solar radiation and reduce wind-induced evaporation, conserving vital moisture.
Volcanic Pioneer
Features a strong, deep taproot that stabilizes the plant in loose gravel, volcanic pumice, and shifting sandy soils.
Drought Tolerant Metabolism
Can maintain cellular function and photosynthetic activity under extreme heat and highly prolonged dry spells.
Maße und Details
- Länge
- 10-60 cm
- Lebenserwartung
- 2-5 Jahre
Ernährung und Fütterung
As a photosynthetic plant, it manufactures its own sugars using sunlight, water, and carbon dioxide, while absorbing essential minerals from the soil.
Hauptnahrung
- Sunlight
- Water
- Carbon Dioxide
- Soil Minerals
Ökologische Zusammenhänge
Western Honey Bee
Apis mellifera
Pollinates the flowers while gathering nectar.
Painted Lady
Vanessa cardui
Feeds on the nectar of the blossoms during its migration.
Mountain Cottontail
Sylvilagus nuttallii
Occasionally browses on the foliage and flower heads.
Merkmale
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Auch bekannt als
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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 Hoary Pincushion?
Der einfachste Weg, Hoary Pincushion zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Hoary Pincushion?
10-60 cm
Was ist der/die/das lebenserwartung von Hoary Pincushion?
2-5 Jahre
Was frisst Hoary Pincushion?
As a photosynthetic plant, it manufactures its own sugars using sunlight, water, and carbon dioxide, while absorbing essential minerals from the soil.
Wo findet man Hoary Pincushion normalerweise?
Found in dry, open habitats including sagebrush deserts, sandy plains, gravelly volcanic slopes, and open ponderosa pine forests.
Snap-Karte
Zoome hinein, um Cluster aufzulösen und zu sehen, wo dieses Objekt fotografiert wurde.
Neueste Snaps
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Wo zu sehen

Montana, US
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Hier kann man sehen Gefleckte Flockenblume, Königskerze und Nickende Zwiebel.
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Idaho, US
Craters of the Moon National Monument and Preserve
Hier kann man sehen Limber Pine und Dwarf Purple Monkeyflower.
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