Assertion: belladonna's leaf | /r/HasProperty | 0.3% belladonna alkaloids
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Source sentences:
text: ( bel'ă-don'ă ), ), Atropa belladonna (family Solanaceae); a perennial herb with dark or yellow purple flowers and shining purplish-black berries; the leaves (0.3% belladonna alkaloids) and root (0.5% belladonna alkaloids) orginally were sources of atropine scopalamine and related alkaloids, which are anticholinergic.