Stats

Lifespan

Annual or Biennial

Size

Large

Diet

Photosynthetic

Biome

Temperate grassland

Range

North America

Movement

Sessile

Breeding

Seeds

Defense

Toxins

Status

Uncommon

About

This tall wild lettuce grows in fields and forest edges across North America. Its stem secretes a bitter, milky sap that turns into a sticky rubber when exposed to air.

Life cycle

1. 1.
   seed

   A dormant seed waits for water and warmth before germinating.
2. 2.
   sprout

   A first shoot emerges with cotyledon leaves and a tap root reaching down.
3. 3.
   sapling

   A young plant grows true leaves and a stem or trunk, putting on height each season.
4. 4.
   mature

   Fully grown, flowering or fruiting at adult size.

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Taxonomy

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Asterales

Family

Asteraceae

Genus

Lactuca

Species

Lactuca canadensis