Alberta Invasive Plant Identification Guide
Alberta Invasive Plant Identification Guide
Alberta Invasive Plant Identification Guide
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Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong> Montana State University <strong>Invasive</strong> <strong>Plant</strong><br />
Crupina, Common<br />
Crupina vulgaris, Asteraceae (Sunflower Family)<br />
Category: Prohibited Noxious<br />
• Life cycle: Winter annual.<br />
• Root: Short taproot.<br />
• Leaves: Fleshy oval seedling leaves widest near the tip, with distinct<br />
purple midrib. Rosette and stem leaves pinnately lobed with short stiff<br />
spines, alternate and smaller toward the apex.<br />
• Stems: One main stem 30-90cm tall, branch several times.<br />
• Flower: One to five, 1.5cm long flower heads at branch tips or in upper<br />
leaf axils. Narrow (length three to four times greater than width) rosepurple<br />
petals.<br />
• Seed/Fruit: A ring of dark, stiff bristles encircle the seed.<br />
• Control:<br />
Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong><br />
Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong><br />
18<br />
Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong>
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