Jerusalem artichoke
Jerusalem artichoke
Helianthus tuberosus
Plantae
COMMON

Stats

Lifespan
Perennial
Size
Large
Diet
Photosynthetic
Biome
Temperate grassland
Range
North America
Movement
Sessile
Breeding
Seeds
Defense
Toxins
Status
Common

About

The Jerusalem artichoke is a tall North American sunflower whose knobby underground tubers — not its flowers — are its prized harvest. Despite its name, it has no connection to Jerusalem; "Jerusalem" likely corrupted the Italian "girasole," meaning sunflower.

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.

Learn more

Taxonomy

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Asteraceae
Genus
Helianthus
Species
Helianthus tuberosus