Asteraceae (Aster Family)
A dandelion-like weed growing to a height of 60 - 150 cm.
Distinguishing Features - Leaves: 5 - 30 cm long, oblong, lobed or unlobed, prickly-edged, bristly on undersurface along midrib, clasping the stem at base; often set on edge and oriented in one plane. Flowers: small, yellow, 6 mm wide, usually with 16 to 24 ray flowers; disk flowers absent. Fruit: dry, single-seeded, with white bristles that aid seed dispersal.
Native of Europe but now naturalized throughout Canada andthe United States; roadsides and waste places; thrives on nutrient rich soils.
The cultivated lettuce, Lactuca sativa is said to have been cultivated from the wild Prickly Lettuce.
Return to Top of Page
| Ontario's North (West) Forest | Boreal Forests of the World | North (West) Forest Industry |
| World Links and Resources | "Forest Finder" Search Engine | Educational Resources |
| What's Happening | Contacts | Site Map |