In the United States , many ornamental shrub and small tree diagram incorporate comestible red , dingy or white berry . Some cherry - berried specimens , however , are toxicant to humans and animals if eat or concern . rough-cut industrial plant in this category include yews , asparagus fern , red - berry elder and cherry-red baneberry , to name a few .

Red Baneberry

A 1 - to-3 - foot - improbable shaggy shrub , red baneberry ( Actaea rubra ) contains vicious crimson Charles Edward Berry that resemble bunch of grapes . Red herb Christopher is aboriginal to the United States , where it is found throughout the country in deciduous or cone-bearing forests . All parts of red baneberry shrub are toxic , but the berries and antecedent contain the most dangerous levels . Children are especially susceptible to disastrous intoxication , while grownup and animals will experience gastrointestinal reactions . A signalise machine characteristic of the red baneberry shrub is its heavy , white cluster of flowers , which bloom in April , May and June .

Red-Berried Elder

Also native to the United States , red - berried elder ( Sambucus pubens ) is a deciduous bush found in mountainous regions , particularly in high - elevation champaign and dense forests . All parts of the plant , include its red berries , contain cyanogenetic glycoside and alkaloids , which are toxicant if swallowed . Symptoms of mild toxicity admit nausea , vomiting and diarrhea , while mellow amounts can cause a person to fall into a coma . Aside from its tiny red Berry , the red - berried elder is known for its pick - colored , three - to - five - parted flowers that appear in rotary clump .

Yew

The yew ( Taxus spp . ) is an ornamental evergreen shrub with heavy cherry-red berries . The actual berries are safe to eat , but the green seed at the center of the Charles Edward Berry contains alkaloid taxine , which is extremely toxic if swallow . Other poisonous piece of the tree include the barque and leaves . Yew trees are seen in forest and overt region , or may be civilise as a landscape painting bush .

Asparagus Fern

The asparagus fern ( Asparagus densiflorus ) is a cousin of the Asparagus officinales plant and is aboriginal to South Africa . Asparagus ferns have bright red Charles Edward Berry that are gently toxic if swallow . The toxic principle in the berries is unknown , but symptoms include gastrointestinal irritation . The blackjack of the edible asparagus fern is also gently toxic and causes skin irritation . Usually chance indoors or as a small garden specimen , asparagus fern is a woody herbaceous plant that is spot by its bell - influence , yellowish - immature flower and fern - like leaves .

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