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| Yellow Starthistle
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Scientific Name: Centaurea solstitalis
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| Distinguishing Features
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| • It grows up to 5 feet tall.
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| • First year leaves form
a rosette of deeply lobed leaves up to 8 inches long and 2 inches
wide. |
| • Leaves growing low, on
a second year plant, are deeply lobed and are 2 to 4 inches long.
The upper leaves are narrower, pointed, and smaller. Both the stem
and the leaves of the mature plant have a woolly appearance. |
| • Flower heads are yellow
and are located singly at the tips of branched stems. They are armed
with 1 to 2 inch spines radiating out around the flower head in a
star shape. |
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