Purple Berry Nightshade Family. Deadly nightshade is a perennial bushy herb that grows in arid lands reaches a height of 15 m but can grow 2m and has greenish purple flowers oval leaves and purple-black spherical sweet berries. The deadly nightshades leaves berries and roots are all highly toxic.

In fact some of the more well known plants in this family include ornamentals such as Belladonna deadly nightshade Datura and Brugmansia Angels trumpet and Nicotiana tobacco plant all of which include poisonous properties that can. The nightshade family Solanaceae includes many commercially important plants eg potato tomato capsicum peppers tobacco as well as a number of highly poisonous ones eg henbane jimson weed. Dulcamara climbing nightshade or European bittersweet.
No doubt it is often confused as an adult with the S.
The berry that a common nightshade plant produces is green but in time turns a deep black color. Most of these plants are poisonous especially the unripe fruits. Ptychanthum often elicits fear due to its assumed toxicity. However the green immature fruit may be poisonous to man and other animals.