Native Plants
Q. Who is Mr. Smarty Plants?
A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.
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Ask Mr. Smarty Plants
Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
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Friday - March 07, 2008
From: Kamiah, ID
Region: Rocky Mountain
Topic: Poisonous Plants
Title: Information about Rosa acicularis
Answered by: Nan Hampton
QUESTION:
Hi: At your site under "Benefit" it is mentioned that the seeds, leaves bark and twigs of Rosa acicularis Lindl. can be fatally poisonous to humans and animals. None of my past or present studies have indicated such information of the plant being poisonous. Could you offer particular information about this toxicity and/or reference sites I might research? Many thanks for the wealth of information at your site.ANSWER:
Mr. Smarty Plants thinks that the reported toxicity for Rosa acicularis (prickly rose) was mistakenly applied to the wrong plant. As far as we can determine, R. acicularis is non-toxic. In fact, we don't know of any species in the genus Rosa that has toxic properties. The fruits of this genus, rose hips, have been used for centuries by indigenous people for food and medicinal purposes. We have removed this statement from our Native Plants Database and we thank you for pointing out this inaccuracy so that we could correct it.More Poisonous Plants Questions
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March 17, 2016 - When I was small I came into contact with a plant that gave me cold sweats, chills and hallucinations. All I remember was it bore a single flower with a little white and a lot of violet. It had a dark...
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Pruning the leaves of Sago Palm.
March 10, 2010 - Is it a cardinal sin to remove all the sago palm branches? This winter they were so badly scorched by the cold that hardly a frond went unaffected. So I cut them all off as I needed to get around the...
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Is Thalia dealbata toxic to dogs?
May 16, 2011 - A pond in a park frequented by dogs contains Thalia dealbata and I have seen numerous dogs eating the roots with relish, which we discourage, of course. They seem to really enjoy it though. Aft...
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