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Lactuca canadensis L.
Canada lettuce, Wild Lettuce
Synonyms: Lactuca canadensis var. latifolia, Lactuca canadensis var. longifolia
USDA Symbol: LACA
USDA Native Status: Native to U.S.
Tall plant with elongated cluster of small pale yellow flower heads; foliage exudes milky juice when crushed; slight bloom present on stem and leaves.
This rather large biennial is frequently found in disturbed sites. Its flowers are insignificant, and the leaves lack the spines of the similar Prickly Lettuce (L. scariola). Young leaves can be used in salads or as cooked greens, but have a slightly bitter taste.
Plant CharacteristicsDuration: Biennial Habit: Herb Root Type: Tap Leaf Arrangement: Alternate Leaf Complexity: Simple Leaf Margin:
Lobed Inflorescence: Panicle
, Terminal Flower:
Flowers 1/3 inch
Fruit: Size Class:
Bloom InformationBloom Color: Orange , Yellow
Bloom Time: Jul , Aug , Sep
AL , AR , CA , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WY Canada: BC
, SK Native Distribution:
Throughout much of North America, except far north. Native Habitat:
Clearings, thickets, and edges of woods. USDA Native Status: L48(N), CAN(N)
Growing ConditionsWater Use: Low , Medium
Light Requirement: Sun , Part Shade
BenefitUse Food: Young leaves can be used in salads or as cooked greens, but have a slightly bitter taste. (Niering)
Conspicuous Flowers: yes
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Fredericksburg Nature Center
- Fredericksburg, TX
Recommended Species Lists
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Record Modified: 2010-06-17
Research By: TWC Staff