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Malheur Experiment Station
Oregon State University

Lactuca serriola

prickly lettuce, compass plant (Lactuca serriola )
Lactuca serriola
Common Names prickly lettuce, compass plant
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Introduced Yes
Native No
Weed Yes

prickly lettuce, compass plant (Lactuca serriola ) prickly lettuce, compass plant (Lactuca serriola ) prickly lettuce, compass plant (Lactuca serriola ) prickly lettuce, compass plant (Lactuca serriola ) prickly lettuce, compass plant (Lactuca serriola ) prickly lettuce, compass plant (Lactuca serriola ) prickly lettuce, compass plant (Lactuca serriola )

Prickly Lettuce is also called "compass plant" because the leaves on the main stem are held vertically in a north-south plane, perpendicular to direct sunlight.

It is also very closely related to the cultivated lettuce that we grow and eat. prickly lettuce, compass plant


For additional information please send an e-mail request to:
Dr. Clinton C. Shock
Clinton.Shock@oregonstate.edu

Malheur Agricultural Experiment Station
595 Onion Avenue
Ontario, OR 97914
(541) 889-2174
FAX (541) 889-7831

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