Bidens bipinnata

spanish needles, spanish-needles
Family

Asteraceae

Leaf Arrangement

opposite

Leaf Attachment

petiolate

Leaf Type

biternate, compound, ternate

Growth Form

forb

Flower Color

yellow

Flower Petals

5

Flower Month

July - October

Height (meters)

0.1 - 1.5

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

native

Lifespan

annual


Field Characters

Head with ray and disc flowers, rays sometimes inconspicuous or absent.

Habitat

Moist places and canyons.