Scientific Family
Asteraceae
Other common names
tickseed
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Similar species
Bidens sp.
Height
20 inches
Riparian
Yes
Slender annual with moderate branching.
Annuals; leaves simple, ovate or lanceolate to linear or filiform, 2–3mm wide, akenes equally 4 angled, each of 4 faces equally grooved with hairs; involucres bell-shaped or cylindric.
Habitat
Found along streams in shaded and sandy areas.
Plant Community
Riparian
Low elevation
3000
High elevation
6000
Flower Characteristics
Flower heads on long stalks, having ray and disc flowers. Has only 2 to 3 lance shaped ray petals each about 5/16 inch in length.
Flowers can be observed in a corymb array.
Flower color
Whitish to yellow
Flower shape
Daisy or dandelion-like
Tubular
No
First bloom month
August
Last bloom month
October
Flower clusters
Other
Leaf and Stem Characteristics
Leaf blades from 3/4 to 4 inches long. Leaves are once or twice pinnately divided into linear to ovate segments. Has hairs on the margins. The stalks of the leaf are from less than 1/8 to over 1-1/2 inches long.
Leaf type
Simple
Leaf color
Green
Leaf shape
Pinnatifid
Leaf margin
Smooth
Leaves clasp
No
Leaf hairs
Leaves
Spines
No
Fruit and Seed Characteristics
Achenes from 1/4 to 1/2 inch in length.
Fruit type
Achene