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Is the old man's beard poisonous?
Although there are no reports of toxicity for old man's beard specifically, it is known that many - and probably all - members of the genus Clematis are mildly poisonous to humans and animals. There are two main toxins in the old man's beard; ranunculin and glycosides, and these can be found in all parts of the plant. The ranunculin causes severe pain and blistering in the mouth if the plant is ingested, while the glycosides affect the cardiac system. Other symptoms include a burning sensation in the mouth, excess salivation and vomiting. When the old man's beard is extensively handled, it causes skin redness, along with a burning sensation in the skin, but this is usually minor and only lasts for a few minutes. Due to its unpleasant taste and aggressive reaction with skin and mucosa, cases of poisoning are very rare.
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Species of Clematis
Clematis 'Joe'Clematis 'Early Sensation'Early large-flowered clematisDouble-flowered Asian VirginsbowerItalian leather flower 'Madame Julia Correvon'Chaparral pipestemClematis 'Guernsey Cream'Virgin's bowerClematis 'Pink Champagne'Italian leather flower 'Venosa Violacea'Hyacinth-flower clematis 'New Love'Scarlet leather flowerAsian virginsbowerPurple hyacinth-flower clematisClematis 'Bees' Jubilee'Clematis 'Rebecca'Alpine clematis 'White Columbine'Hook-leaved clematisAlpine clematis 'Jan Lindmark'Orange-peel clematisClematis 'Ville de Lyon'Asian virginsbower 'Taiga'Armand clematis 'Apple Blossom'Clematis 'Piilu'Ground virgin's bowerClematis 'Ernest Markham'Clematis 'John Paul II'Old man's beardVirgin’s bowerWestern white clematisSweet autumn clematisScarlet leather flower 'Princess Diana'Clematis 'H.F. Young'Anemone clematis 'Miss Christine'Asian virginsbower 'Sieboldiana'Italian leather flower 'huldine’'Devil's darning needlesItalian leather flower 'Wisley'Clematis 'Will Goodwin'Clematis 'Jackmanii Superba'Clematis viticella 'Abundance’Early virgin's-bower 'Jingle Bells'Clematis 'Praecox'Clematis 'Anna Louise'Old man's beardClematis 'Royalty'Clematis 'Belle of Woking'Clematis 'Bijou'ClematisClematis 'Cezanne'Clematis 'General Sikorski'Charming clematisTube clematisItalian leather flower 'Prince Charles'Italian leather flower 'Alba Luxurians'Clematis 'Gipsy Queen'Anemone clematis 'Freda'Clematis 'Mrs George Jackman'Anemone clematis 'Spooneri'Italian leather flower 'Kermesina'Clematis 'The Countess of Wessex'Clematis 'Meghan'Italian leather flower 'Minuet'Clematis 'Fond Memories'Clematis 'Evipo022'Clematis terniflora var. mandshuricaClematis koreanaClematis 'Evipo018'Clematis 'Star'Clematis 'Emerald Dream'Clematis intricataAnemone clematis 'Tetrarose'Clematis 'Warszawska Nike'Alpine clematis 'Constance'Solitary clematis 'Alionushka'Italian leather flower 'Royal Velours'Early virgin's-bower 'Freckles'Clematis 'Edith'Clematis 'Perle d' Azur'Anemone clematis 'Tetrarose'Clematis 'Romantika'Clematis 'Evipo006'Clematis 'Evipo038'Early virgin's-bower 'Freckles'Clematis 'Snow Queen'Clematis 'Richard Pennell'Clematis 'Beautiful Bride'Clematis 'Remembrance'Clematis 'Prince Louis'Solitary clematis 'Juuli'Anemone clematis 'Elizabeth'Solitary clematisItalian leather flower 'Romantika'Western Blue VirginsbowerClematis huchouensisItalian leather flower 'Black Prince'Clematis 'Evijohill'Clematis 'Blue Ravine'Clematis 'Evipo016'Clematis macropetala 'Wesselton'
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