Formosa lily

Lilium formosanum
Also known as Taiwan Lily, this plant is rapidly becoming a naturalised weed in many states of Australia infesting roadsides, disturbed areas, wastelands and even bushland.
Family: Liliaceae
Origin: Asia (Taiwan)
Habit: Deciduous perennial herb with annual flowering stalks 1-2m long.
Leaves: Mid to dark green, elongated, linear, sessile leaves are arranged spirally or whirled along the stems.
Flowers: Large trumpet shaped highly fragrant flowers, pure white on the inside, pink or purple/brown stripes on the outside bearing prominent yellow anthers. Summer.
Fruit and Seeds: Copious papery winged seeds borne in a large capsule.
Roots: Underground bulb with numerous fleshy scales (resembling garlic).
Dispersal: Seeds, bulbs and bulb scales spread by water, wind, humans, contaminated soil (earthmoving equipment, car tyres etc) and garden refuse dumping.
Control: Difficult. Hand dig, ensuring all scales are removed. Best done before flowering. Extensive follow-up required. Remove and bag seed heads (capsules). Foliar sprays ineffective.
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