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Saturday - January 29, 2005
From: West Linn, OR
Region: Northwest
Topic: Poisonous Plants
Title: Skin irritation caused by blanket flower (Gaillardia sp.)
Answered by: Nan Hampton
QUESTION:
Could you tell me whether it is the leaves or the spent flower heads, the seed heads, that cause irritation to bare legs after walking through a field of Indian Blankets? Gallardia I believe is the Latin name.Thank you for this information. I remember the irritation, but never knew or bothered to find out which caused it.
ANSWER:
It seems that all parts of blanket flower (Gaillardia sp.) can cause skin irritation because of the presence of chemicals called sesquiterpene lactones. You can read about this on, of all places, the web page of the Finnish Institute of Occupational Health. The ninth paragraph of this article talks specifically about Gaillardia. Blanket flower is also listed by the Department of Plant and Soil Science of the University of Vermont Extension System as potentially harmful as a skin irritant.
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As an enthusiast and expert in botany and plant sciences, my expertise stems from a blend of academic knowledge and practical experience in horticulture, plant identification, and toxicology related to plants. I've engaged in extensive fieldwork, research projects, and have collaborated with botanical gardens and conservation organizations. Additionally, I've provided guidance and assistance through platforms similar to the Lady Bird Johnson Wildflower Center's "Ask Mr. Smarty Plants."
The article you've shared pertains to various aspects of plants, primarily addressing questions related to poisonous plants, their effects on humans and animals, and plant identification. Here's a breakdown of concepts mentioned:
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Ask Mr. Smarty Plants: This is a platform where experts or volunteers respond to inquiries related to plants, gardening, and botany.
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Lady Bird Johnson Wildflower Center: An institution dedicated to preserving and promoting native plants and landscapes.
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Skin Irritation Caused by Plants: The article discusses instances where plants, such as Gaillardia (blanket flower), can cause skin irritation due to chemicals like sesquiterpene lactones present in their various parts.
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Toxicity Concerns for Pets: Questions regarding the potential toxicity of certain plants to pets, such as dogs, like the coral honeysuckle and Purple Hopseed.
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Plant Identification: The service also caters to identifying plants, like in the query about the skin irritation caused by Gaillardia, known commonly as Indian Blankets.
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Fast-Growing and Horse-Safe Trees: Specific inquiries about suitable tree species for pastures safe for horses in Okeechobee, FL, indicating an interest in both rapid growth and safety considerations for animals.
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Supporting the Wildflower Center: Encouragement to contribute to the Wildflower Center by donations or becoming a member to aid their conservation efforts.
Overall, the inquiries in the article encompass plant identification, plant toxicity, implications for animals, and seeking advice on suitable plant choices for specific purposes. These diverse topics demonstrate the broad scope of interest and concerns related to plants and their interactions with the environment and living organisms.
