Drummond'S Milkvetch
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Drummond'S Milkvetch
astragalus drummondii
Drummond's Milkvetch (Astragalus drummondii) is a striking perennial herb belonging to the legume family, native to the prairies and foothills of western North America. Like many of its relatives in the vast Astragalus genus, it plays a vital role in its ecosystem by enriching the soil through nitrogen fixation, thanks to a symbiotic relationship with specialized root bacteria. With its soft, hairy foliage and elegant clusters of creamy-white to pale yellow flowers, it brings a subtle beauty to rugged, arid landscapes. While it provides essential nectar for native pollinators like bumblebees, Drummond's Milkvetch is often avoided by grazing livestock due to the presence of mild toxins typical of plants commonly known as "locoweeds." This hardy plant thrives in dry, open environments, perfectly adapted to the sun-drenched plains it calls home.
Hábitat: Found in dry prairies, sagebrush steppes, and the open rocky slopes of foothills across western North America.
Aspecto
Drummond's Milkvetch is an upright to sprawling perennial plant that typically reaches 30 to 70 centimeters in height. Its thick stems and compound leaves are covered in fine, soft hairs, giving the plant a distinctively grayish-green, woolly appearance. The leaves are pinnately compound, consisting of numerous small, narrowly elliptical leaflets arranged along a central stalk. In late spring and early summer, it produces dense, elongated clusters (racemes) of creamy white to pale yellow, pea-like flowers. After pollination, these flowers develop into smooth, drooping seed pods that become pendulous and slightly curved as they dry and mature.
ReinoPlantaeFiloTracheophytaClaseMagnoliopsidaOrdenFabalesFamiliaFabaceaeGéneroAstragalus
Categoría
PlantasRareza
Common
Peligro
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Datos interesantes
Like several other milkvetches, it is sometimes grouped with 'locoweeds' because it can be toxic to cattle, horses, and sheep if eaten in large quantities over time.
Many species of milkvetch, including Drummond's, are known as 'rattleweeds' because their dry seeds rattle inside the mature pods when shaken by the prairie wind.
The genus Astragalus is one of the largest genera of flowering plants in the world, containing over 3,000 different species.
The plant gets its distinctive grayish tint from tiny, soft hairs that cover its leaves and stems, which help reflect harsh sunlight and reduce moisture loss.
Habilidades especiales
Habilidad
Nitrogen Fixation
Partners with rhizobia bacteria in its root nodules to convert atmospheric nitrogen into a usable form, enriching the surrounding soil.
Habilidad
Drought Resistance
Utilizes a deep taproot to access water far below the surface, allowing it to thrive in arid and semi-arid environments.
Habilidad
Chemical Defense
Produces specific alkaloids that act as a deterrent to grazing herbivores and livestock.
Medidas y detalles
- Longitud
- 30-70 cm
- Esperanza de vida
- 3-10 años
- Tamaño de la puesta
- 5-20
- Incubación
- 14-28 días
Dieta y alimentación
As a photosynthetic plant, Drummond's Milkvetch produces its own energy using sunlight, water, and carbon dioxide.
Alimentos principales
- Sunlight
- Water
- Carbon Dioxide
- Soil Minerals
Conexiones ecológicas
mutualism
Hunt Bumble Bee
Bombus huntii
Pollinates the flowers while foraging for nectar.
host plant
Afranius Duskywing
Erynnis afranius
Uses the plant as a larval host for caterpillars.
mutualism
Nitrogen-fixing Bacteria
Rhizobium leguminosarum
Forms a symbiotic relationship in the root nodules to fix nitrogen.
Rasgos
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También conocido como
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Seguridad
Peligro
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Preguntas frecuentes
¿Cómo identificar a Drummond'S Milkvetch?
La forma más fácil de identificar a Drummond'S Milkvetch es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Drummond'S Milkvetch?
30-70 cm
¿Cuál es el esperanza de vida de Drummond'S Milkvetch?
3-10 años
¿Qué come Drummond'S Milkvetch?
As a photosynthetic plant, Drummond's Milkvetch produces its own energy using sunlight, water, and carbon dioxide.
¿Dónde se encuentra normalmente Drummond'S Milkvetch?
Found in dry prairies, sagebrush steppes, and the open rocky slopes of foothills across western North America.
¿Cuál es el tamaño de la puesta de Drummond'S Milkvetch?
5-20
¿Cuál es el incubación de Drummond'S Milkvetch?
14-28 días
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