Swaziland's Alien Plants Database

Solanum sisymbrifolium Lam. SOLANACEAE sticky nightshade, dense thorned bitter apple, wild tomato Invasive, Problem species Origin: South America (Brazil, Argentina, Uruguay and Paraguay) Growth Form: Shrub Plant Description: Plant: Much-branched, very spiny, low shrub 0.5–1.5 m high, with extensive root system; all parts covered with sticky, glandular hairs and bright orange-red to brown-yellow spines up to 20 mm long. Leaves: Dull green, spiny, glandular-hairy, deeply pinnately lobed and toothed, up to 200 mm long; spines mainly on midrib and veins. Flowers: White, cream or bluish, all year. Fruit: Shiny berries, green turning bright red, about 15 mm across. Key Features: Control: folia application of a herbicide Comments: More information: Weeds & Invasive Plants Home Page NRCS Plants Database Illustration USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada.

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