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Delphinium geyeri is a species of plant in the Ranunculaceae family that is often called by the common names plains larkspur and foothills larkspur. It is infamous for causing the deaths of cattle grazing in the spring because it is especially poisonous before it flowers and so it is also called poisonweed by ranchers. It is a medium to tall ...
All parts of these plants are considered toxic to humans, especially the younger parts, [2] causing severe digestive discomfort if ingested, and skin irritation. [2] [3] [10] [64] Larkspur, especially tall larkspur, is a significant cause of cattle poisoning on rangelands in the western United States. [65]
The berries and leaves of several species are mildly toxic to humans, dogs, cats, livestock, rabbits, and tortoises, containing terpenoid glycosides which can cause extreme irritation to the hands and mouth upon contact and digestive distress if ingested; children and small animals are particularly susceptible. [151]
Toxicoscordion paniculatum is infamous for its poisonous qualities in the western United States. [17] All parts of the plant are poisonous, people have even been poisoned by the flowers. However, the most poisonous part is the bulb. Humans that have mistaken the bulbs for those of wild onions or camas and eaten them have been fatally poisoned. [11]
The Cuyamaca larkspur (ssp. cuyamacae) is native to the Peninsular Ranges, occurring near Cuyamaca Lake and possibly Palomar Mountain in San Diego County. [1] The ssp. hesperium is native to the North Coast Ranges. [2] The pale-flowered western larkspur (ssp. pallescens), which has white, pink, or light blue sepals, occurs in the Coast Ranges. [3]
Delphinium trolliifolium is a species of larkspur known by the common names poison delphinium, cow poison, and Columbian larkspur. It is native to Washington, Oregon, and northern California. [1] This wildflower reaches one half to just over one meter in height. It has large, shiny, deeply lobed leaves.
Fruits, vegetables, seeds and beans are all essential parts of a well-balanced and healthy diet, but if these health gems are not consumed properly, they could be poisonous and detrimental to our ...
Delphinium nudicaule, known by the common names canyon larkspur, red larkspur, orange larkspur, and canyon delphinium, is a flowering herbaceous perennial plant in the buttercup family Ranunculaceae. It is native to low-elevation canyons and slopes, foothills, and mountain ranges of California, US, from the Sierra Nevada to the California Coast ...