Bulbous & Succulent Weeds
Yucca aloifolia, Yucca spp.
Commonly cultivated, this garden escapee is found on roadsides and sand dunes. Very difficult to control due to spiny nature of plant creating impenetrable thickets.
- Family Agavaceae
- Origin North & Central America and the West Indies
- Habit Evergreen, herbacious, slow growing perennial shrub or small tree, forming large spiny rosettes of leaves. Often freely branched.
- Leaves Depending on species. Green - bluish grey fleshy, linear to narrow-lanceolate, 0.3–1 m long, 2–5 cm wide, apex acute with terminal spine 10–20 mm long, margins finely toothed, surfaces glabrous.
- Flowers Creamy white, multi flowered panicle 1-3 m long.
- Fruit Oblong purplish capsule, 6–8 cm long, indehiscent (doesn’t open on its own accord at maturity); seeds black.
- Roots Large, dense and fleshy.
- Dispersal Seed and vegetative reproduction where stem segments and leaf rosettes take root. Spread by humans, contaminated soil (earthmoving equipment, car tyres etc) and garden refuse dumping.
- Control Hand or mechanical removal, cut and paint, drilling, foliar spray. All plant parts should be removed from site.
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