Wild Florida Photo - Solanum sisymbriifolium - Sticky Nightshade

Solanum sisymbriifolium Lam.

Sticky Nightshade
Red Buffalo-bur

Not native to Florida

Mayabeque Province, Cuba 02/20/19
Mayabeque Province, Cuba 02/20/19
Mayabeque Province, Cuba 02/20/19

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This native of South America is occasionally found on disturbed sites in Florida from Hillsborough and Polk Counties north. It has also been introduced in most of the coastal states from Texas to Massachusetts, plus Pennsylvania, Arizona, California and Oregon. Also found in Ontario.
Growing up to a meter (~3 ft.) in height, the entire plant is covered withflattened spines up to 15mm (3/5 in.) long. The leaves are ovate to lanceolate, up to 40cm (16 in.) long, 25 cm (6 in.) wide and deeply divided into 4-6 coarse lobes. The leaves are covered with stellate and glandular hairs on both side and have petioles 1-6cm (2/5 to 2-3/8 in.) long. Flowers are five parted, 3cm (1-3/16 in.) across and may be white, light blue or mauve. Each of the five hairy calyces are 5-6mm long. The yellow anthers are 8-10mm (3/10 to 2/5 in.) long, erect and converging. Mature fruit is a red, succulent, globular berry 12-20mm (1/2 to 4/5 in.) in diameter.


Solanum sisymbriifolium is a member of the Solanaceae - Potato family.

Other species of the Solanum genus in the Wild Florida Photo database:
  Solanum americanum - AMERICAN BLACK NIGHTSHADE
  Solanum bahamense - BAHAMA NIGHTSHADE
  Solanum capsicoides - SODA APPLE
  Solanum carolinense var. carolinense - CAROLINA HORSENETTLE
  Solanum chenopodioides - BLACK NIGHTSHADE
  Solanum dulcamara - CLIMBING NIGHTSHADE
  Solanum viarum - TROPICAL SODA APPLE

Date record last modified: Dec 08, 2023

Paul Rebmann Nature Photography at pixels.com