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'''Veratrum nigrum''' (common name '''black false hellebore''') is a widespread Eurasian species of perennial flower of the family Melanthiaceae. Despite its common name, V. nigrum is not closely related to the true hellebores, nor does it resemble them. The plant was widely known even in ancient times. For example, Lucretius (ca. 99 BCE – ca. 55 BCE) and Pliny the Elder (23 AD – August 25, 79) both knew of its medicinal emetic as well as deadly toxic properties.

{{Uses|lower Lower blood pressure}}, {{Uses|slow Slow heart rate}}, {{Uses|hypertensionHypertension}}, {{Uses|cardiac Cardiac failure}}, {{Uses|prePre-eclampsia}}, {{Uses|cancersCancer}}, {{Uses|skin Skin disorders}}.

{{Parts Used|wholeplantWhole plant}}.

{{Common names|kn=āvarikeAavarike|ml=|sa=Aaavartaki|ta=āvāraiAavārai|te=taṃgēḍuTaṃgēḍu|hi=Tarwar|en=Avaram senna}} ==Properties==Reference: Dravya - Substance, Rasa - Taste, Guna - Qualities, Veerya - Potency, Vipaka - Post-digesion effect, Karma - Pharmacological activity, Prabhava - Therepeutics.===Dravya=== ===Rasa===Katu (Pungent)===Guna===Laghu (Light), Tikshna (Sharp)===Veerya===Ushna (Hot)===Vipaka===Katu (Pungent)===Karma===Kapha, Vata ===Prabhava===

{{Habit|Herbaceous PerennialHerb}}

{{Leaf|alternateAlternate|stipulateDeciduous|The leaves are alternate, stipulate, paripinnate compound, very numerous, closely placed, rachis 8.8-12.5 cm long, narrowly furrowed, slender, pubescent, with an erect linear gland between the leaflets of each pair, leaflets 16-24, very shortly stalked 2-2.5 cm long 1-1.3 cm broad, slightly overlapping, oval oblong, obtuse, at both the endsNbloisg est frbdkaef lyodildn}}.<ref name="Leaf"/>

{{Flower|bisexualNocturnal|2.5 cm long|bright yellowGreen|5-20|The racemes are few-floweredRocltl peasod ubfelhonl, shortrwo ogn rbeern, erect, crowded in axils of upper leaves so as to form a large terminal inflorescence stamens barren; the ovary Flower Time is superior, unilocular, with marginal ovules.Late winter and early spring}}

{{Fruit|short Short legume|7.5–11 cm long, 1.5 cm broad|clearly grooved lengthwise, Lowest hooked hairs aligned towards crown|oblong, obtuse, tipped with long style base, flat, thin, papery, undulately crimpled, pilose, pale brown.|12-20 seeds}}

{{Propagation|Seeds}}, {{Propagation|root Root Cuttings}}.

{{Commonly seen|trophicalTrophical region}}, {{Commonly seen|Woodland Garden Sunny Edge}}, {{Commonly seen|Cultivated Beds}}.

Image:Agrimonia eupatoria MHNT Blad van Veratrum nigrum.BOTjpg  Ciemiężyca czarna Veratrum nigrum flowers 01.jpg  Ciemiężyca czarna Veratrum nigrum flowers.JPG  Ciemiężyca czarna Veratrum nigrum fruit.jpg  Kýchavice černá.jpg  PP Na Pilavě 02 - porost s kýchavicí černou (Veratrum nigrum).2004JPG  Verartrum nigrum 02.0JPG  Veratrum nigrum (9008600237).jpg 

<ref name="chemical composition">[https://www.tandfonline.com/doi/abs/10.1080/10286020802133266 "journal of asian"Chemical constituents]</ref><ref name="Leaf">[httphttps://eolgarden.org/pagesplants/view/117704/703261Black-False-Hellebore-Veratrum-nigrum/details "eol.ord"Morphology]</ref><ref name="How to plant/cultivate">[https://www.pfaf.org/USER/Plant.aspx?LatinName=Veratrum+nigrum "plants for future"Cultivation details]</ref>