This annual member has spiny leaf margins, and the base of the leaves have rounded lobes, which clasp the stem. Sow thistle is found in disturbed ground and waste areas. The sow thistle belongs in the ...

Bolted plant leaves are wavy, spiny, with hairy underside; long near the base and diminish in length as they ascend the plant. Leaves are narrower and wavier than musk thistle. The spiny leaves extend ...

Branched, spiny hairs covering the ... soybean leaves by 3 different insects. Thistle caterpillar is a sporadic pest of soybean. Caterpillars feed on leaves causing defoliation in the upper canopy of ...

Read more: 14 Tips For Growing A Healthy Garden A mature plant can produce ... traits of bull thistle Cirsium vulgare include lobed leaves that are furry underneath and spiny on top but don ...

Purple flowering milk thistle with green spiny stem and leaves. Upright herbal plant armed with stiff, sharp spines. Beautiful blooming spiky blessed milk thistle in summer herb garden. thistle ...

Annual sow-thistle reproduces only by seed and has deeper lobed leaves. Perennial sow-thistle has a larger hairy flower head and is more spiny. In particular perennial sow-thistle has a long vertical ...

European marsh thistle, a terrestrial and wetland herbaceous biennial in the Asteraceae family, is an invasive plant that prefers moist soils ... are alternate with deeply pinnate segments and spiny ...

However stem elongation ("bolting") occurs when the plant produces ... Scotch thistle decreases animal production by reducing the amount of pasture that livestock are prepared to eat as they avoid ...

Two spiny-tipped bracts accompany each flower. The seeds are a cone shaped coiled utricle, 2 mm in diameter, dull brown to grey in colour. Russian thistle can produce up to 200,000 seeds per plant.

Canada thistle can grow up to two metres tall at maturity. It has purple flowers and spiny, glossy leaves arranged alternately along its stem and many branches. This perennial plant reproduces ...