American black nightshade

Solanum americanum

The Solanum americanum or more commonly known as the American Black Nightshade. 6

By Litzi, The International School at Mesa del Sol

Solanum americanum, commonly known as American black nightshade, small-flowered nightshade or glossy nightshade is a herbaceous flowering plant of wide though uncertain native range. The certain native range encompasses the tropics and subtropics of the Americas, Melanesia, New Guinea, and Australia.

The Solanum americanum, more commonly known as the American black Nightshade. The American Black Nightshade is native in; California, Oregon, Washington, Nevada, Arizona, New Mexico, Colorado, Texas, Kansas, Missouri, Louisiana, Mississippi, Alabama, Georgia, and Florida. The American Black Nightshade was introduced in Canada (1). The Solanum americanum is part of the kingdom plant, in the family called Solanaceae, in the order Solanales and in biological rank in species.
In Africa the plant is used as a vegetable, it is usually collected from the wild. The American Black Nightshade is grown in Sierra Leon, the lowlands of Ethiopia, Kenya, Uganda, Tanzania, Seychelles and Mauritius. The leaf part is eaten as a vegetable but is also used as a pot herb in Côte d’Ivoire and Cameroon (2).
The flowering time for this flower is April – November, Winter, Spring, Summer, and Fall. The American Black Nightshade is an annual plant and usually grows up to 30 inches (76 cm) tall. The leaf of the plant grows up to 2 - 15 cm, the seed is 1 – 1.5 mm, and the fruit grows to 5 – 8 mm (3). The growth habitat is the subshrub, desert, upland and riparian. (4)
This flower is poisonous and eating too much of it could cause diarrhea or cardiac arrest. Glycoalkaloid solanine which is found in unripe fruits is found in this vegetable. The leaves have the highest concentration of glycoalkaloid solanine (2). Experts advise not to eat this plant because of how toxic the American Black Nightshade is.

References:
United States Department of Agriculture. (no date). Solanum americanum Mill.
Show AllAmerican black nightshade.
In United States Department of Agriculture. Retrieved April 1, 2019, from https://plants.usda.gov/core/profile?symbol=SOAM. (1)

Useful tropical plants
Last updated on 2-08-2019
Solanum Americanum
Retrieved April 1, 2019 from
http://tropical.theferns.info/viewtropical.php?id=Solanum+americanum (2)

Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 01, 2019
http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=44818 (3)

T. Beth Kinsey
2019
From April 1, 2019
https://www.fireflyforest.com/flowers/2364/solanum-americanum-american-black-nightshade/ (4)

Sources and Credits

  1. (c) sunnetchan, some rights reserved (CC BY-NC), http://www.inaturalist.org/photos/1484687
  2. (c) Mauricio Mercadante, some rights reserved (CC BY-NC-SA), https://www.flickr.com/photos/mercadanteweb/32841206197/
  3. (c) Mauricio Mercadante, some rights reserved (CC BY-NC-SA), https://www.flickr.com/photos/mercadanteweb/9958601035/
  4. (c) Mauricio Mercadante, some rights reserved (CC BY-NC-SA), https://www.flickr.com/photos/mercadanteweb/9958598975/
  5. (c) Forest and Kim Starr, some rights reserved (CC BY), https://www.flickr.com/photos/starr-environmental/24620528222/
  6. Adapted by smiller33 from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Solanum_americanum

More Info

iNat Map

Berry black
Flower white