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Life form:
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herb |
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grass |
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climber |
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shrub |
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tree |
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Additional:
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annual |
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biennial |
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perennial |
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bulbous |
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rhizome |
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aquatic |
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woody |
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Origin:
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Eurasia and northern Africa.
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Stem:
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Upright, hollow stem to 1.5m.
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Leaves:
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Grey/green soft leaves with milky sap. Often deeply toothed to midrib. Immature leaves are spathulate and form a rosette.
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Flowers:
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Flower heads, several in a corymb. Florets pale yellow, followed by achenes with white hairs.
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Roots:
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Tap root.
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Other characteristics:
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Adaptable to most soils in sunny positions.
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Spread:
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By seed dispersed by wind and moving water.
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Control:
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Hand weeding, cultivation, herbicides.
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