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PRICKLY LETTUCE

Class: Lactuca serriola
Family: ASTER FAMILY
Sub Family: Asteraceae, Compositae
Year: Annual
Other Names: Compass Plant, Weed Milk Thistle
Colour: Pale yellow
Height: 30 cm-1.8 m (1-6')
Each Flower: Up to 1.3 cm (1/2") across with ray-flowers only; involucre about 9 mm (3/8") long
Leaves: 5-30 cm (2-12") long and 1.3-10 cm (1/2-4") broad, smooth, almost fleshy, stalkless and eared where they clasp stem; margins finely serrated and prickly as are backs of the midribs, reducing in size up stem
Stems: Stout and covered with prickly hairs
Blooming Period: July - September
Habitat: Waste places and roadsides
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