Helianthus annuus
common sunflower, sunflower, wild sunflower, annual sunflower, mirasol
Family
Asteraceae
Leaf Arrangement
alternate
Leaf Attachment
petiolate
Leaf Margin
dentate
Leaf Type
simple
Leaf Shape
lanceolate, deltoid, ovate
Growth Form
forb
Flower Color
yellow
Flower Petals
many
Flower Month
June - October
Height (meters)
0.5 - 3.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
annual
Wetland Class
FAC
Habitat
Dry, open areas, disturbed sites, moist low ground.