1 / 8

Purple Star Thistle

BY: Sarah Ayllon. Purple Star Thistle. Purple star thistle Centaurea calcitrapa . Kingdom: Plants ( Plantae ) Phylum: Class: Magnoliopsida . Distribution. Introduced in California , early 20 th century Native to Mediterranean region of southern Europe and northern Africa

eryk
Download Presentation

Purple Star Thistle

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. BY: Sarah Ayllon Purple Star Thistle

  2. Purple star thistle Centaurea calcitrapa • Kingdom: Plants ( Plantae ) • Phylum: • Class: Magnoliopsida

  3. Distribution • Introduced in California, early 20th century • Native to Mediterranean region of southern Europe and northern Africa • Came accidentally through contaminated seeds

  4. Effects on Us! • Yellow Star Thistle can effect our grain fields and other agricultural areas where seeds can contaminate grain harvest and lower crop quality and value

  5. Effects on Ecosystems • Displaces more valuable foreign species on rangelands, reduces wildlife habitat and forage • The Star Thistle also depletes soil moisture and alters water cycle • Major problems on annual rangelands in the San Francisco Bay area

  6. Food Web Goat Cow star thistle Humans Sun Bee

  7. It’s a Success! • Growing grasslands • When 2 star thistle are combined they grow heavier • + • For example: purple + yellow= 2x star thistle

  8. Their Future… • Herbicides are most effective (Applied in Springs) • Grubbing or digging are effective

More Related