Swaziland's Alien Plants Database

Robinia pseudoacacia L. FABACEAE Black locust Invasive, Potential problem species Origin: North America (Central and Eastern USA) Growth Form: Tree Plant Description: Plant: Deciduous tree 3–12(–25) m high with an oval or rounded crown; bark dark brown, deeply furrowed; suckers freely and often forms thickets; young stems and branchlets armed with short, paired spines. Leaves: Bright green above, paler beneath, glabrous, pinnate, with yellow autumn tints. Flowers: White, fragrant, in pendulous sprays 100–200 mm long, September–November. Fruit: Reddish-brown pods, thin, remaining on tree over winter. Key Features: Control: Comments: Suspected/Possible More information: Plant Conservation Alliance - Alien Plants Fact Sheets NRCS Plants Database Photo - flowers/leaves Jennifer Anderson @ USDA-NRCS PLANTS Database Illustration USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Photo - flowers/leaves Larry Allain @ USDA-NRCS PLANTS Database Photo - bark Paul Wray, Iowa State University Photo - flowers/leaves Paul Wray, Iowa State University Photo - pods/leaves Paul Wray, Iowa State University Photo - spines Bill Cook, Michigan State University

KEY   Confirmed (herbarium specimen)   Visual record   Suspected Click on map grid square to view record information for each grid square.

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