Some plants and flowers can be beautiful, but also extremely deadly. Join SciShow's Michael Aranda for a look into the top 10 deadliest plants, and find out just how toxic they are to humans and animals. ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Dumbcane: https://www.nlm.nih.gov/medlineplus/ency/article/002866.htm http://www.novascotia.ca/museum/poison/?section=species&id=88 https://books.google.com/books?id=99Dr7v8JOKAC&pg=PA57 http://faculty.ucc.edu/biology-ombrello/pow/dumbcane.htm Foxglove: https://www.nlm.nih.gov/medlineplus/ency/article/000165.htm http://emedicine.medscape.com/article/154336-overview https://www.nlm.nih.gov/medlineplus/ency/article/002878.htm http://emedicine.medscape.com/article/816781-overview#a3 http://www.sfgate.com/news/article/5-Suspects-Arraigned-In-Foxglove-Murder-Case-2823636.php http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3693787/ Cerbera odollam: https://www.newscientist.com/article/dn6701-suicide-tree-toxin-is-perfect-murder-weapon/ http://www.todayifoundout.com/index.php/2015/10/cerbera-odollam-aka-murder-tree/ http://ntbg.org/plants/plant_details.php?plantid=2603 Oleander: http://www.sgvtribune.com/general-news/20140220/she-killed-4th-husband-with-oleander-tea-antifreeze-laced-gatorade-and-shes-still-sentenced-to-death https://www.nlm.nih.gov/medlineplus/ency/article/002884.htm http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3841991/ https://books.google.com/books?id=0pak4RWkdAwC&pg=PA113 Aconite: http://penelope.uchicago.edu/~grout/encyclopaedia_romana/aconite/aconite.html http://www.ncbi.nlm.nih.gov/pubmed/19514874 http://www.thepoisongarden.co.uk/atoz/aconitum_napellus.htm Hemlock: http://www.rsc.org/chemistryworld/podcast/CIIEcompounds/transcripts/coniine.asp http://www.colostate.edu/Dept/CoopExt/4dmg/Weed/hemlock.htm http://emedicine.medscape.com/article/821362-overview http://www.kingcounty.gov/environment/animalsAndPlants/noxious-weeds/weed-identification/poison-hemlock.aspx http://www.ars.usda.gov/Research/docs.htm?docid=9975 Nightshade: https://www.nlm.nih.gov/medlineplus/ency/article/002887.htm http://www.nytimes.com/health/guides/poison/black-nightshade-poisoning/overview.html http://www.thepoisongarden.co.uk/atoz/atropa_belladonna.htm http://www.slate.com/blogs/wild_things/2014/08/18/poisonous_plants_belladonna_nightshade_is_the_celebrity_of_deadly_flora.html Rosary pea: http://www.bt.cdc.gov/agent/abrin/basics/facts.asp http://www.ncbi.nlm.nih.gov/pubmed/15181663 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2672262/ White snakeroot: http://www.library.illinois.edu/vex/toxic/snkroot/wksroot.htm http://pubs.acs.org/doi/abs/10.1021/ja01387a018 https://www.addl.purdue.edu/newsletters/2004/winter/finaldx.asp http://www.accessdata.fda.gov/scripts/plantox/detail.cfm?id=29788 Manchineel: http://www.sciencealert.com/here-s-why-you-shouldn-t-stand-under-world-s-most-dangerous-tree http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1127797/ http://caribbean.scielo.org/scielo.php?script=sci_arttext&pid=S0043-31442009000100012