ASTERACEAE

Cirsium texanum

Common Names: Texas Thistle, Southern Thistle

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inflorescence a head individual florets
habit - biennial or perennial 0.5-2m tall this head has many flowers, there are no ray flowers present, only disk flowers, and they are perfect; can you make out both the male and female flower parts?
leaves are sessile, slightly clasping; the tips priclkly; leaf blades are thinly tomentose on the upper side... and whitish tomentose beneath