Swaziland's Alien Plants Database

Opuntia imbricata 
tree cholla
Invasive, Problem species
Origin: North and Central America?
Growth Form: Tree/shrub
Plant Description: Plant: Large cactus to 2.5 m tall. Stem segments dark green, cylindrical, to 35 cm long and 3 cm thick, with prominent tubercles. Spines red to pink, barbed. Central 1-8 spines about 3 cm long, loosely held by a tan sheath. Radial spines tightly sheathed, about 1 cm long. Glochids about 1 mm long. Flowers: Pink to purple, to 5 cm long, blooming in late spring or early summer. Fruits yellowish, to 4 cm long, globose, tuberculate.
Key Features:

Photo - flower/stems

Rob Mackenzie, Swaziland's Alien Plants Database

Photo - plants

Rob Mackenzie, Swaziland's Alien Plants Database

map key

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