Species Detail Forb

Flower head		Yavapai County Native & Naturalized Plants Bidens frondosa - devil's beggartick Other Common Names: Bur marigold, Sticktights, Devil's bootjack Plant Form: Forb or Subshrub Family: Asteraceae
Flower head


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Leaves Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)	Plant Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)

Forb Plant Description

Origin: Native Life Cycle: Annual Similar Species: Bidens vulgata - nodding beggarticks
General Desc: A flowering plant of the aster family, which flowers from June until October with seeds ripening from August to October. The flowers are pollinated by bees and hover-flies.
Identification notes: Leaves usually have 3 to 5 leaflets lanceolate to lance-ovate. Has 5 to 10 outer bractlets.
Height: Up to 4 feet

Habitat

Habitat Description: Prefers damp soil, particularly in disturbed sites.
Plant Communities: Riparian, Disturbed Areas
Elevation: Below 7000 feet

Flower Characteristics

Color: Yellow Shape: Daisy or dandelion-like not in clusters Tubular: N Flowering Period: Jun - Oct
Description: The flower head consists of many orange to yellow disc florets. The flower head bases are surrounded by bracts.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Compound Leaf Shape: Pinnatifid Leaf Margin: Toothed Leaf Attachment: Opposite Leaves Clasp: N
Hairs: Stems Spines: N
Leaf Description: Compound leaves consist of 3 to 5 leaflets. Stems are squared and may be branched toward the top of the plant. They are without hairs or occasionally may have a few scattered white hairs. The stems often appear purple in bright sunlight.

Fruit and Seed Characteristics

Fruit Color: Dark brown or black
Fruit Type: Achene
Fruit Notes: Narrow, wedge-shaped fruits, have 2 horns (awns) while fruits of the closely related Bidens vulgata have 4 horns. The barbs on the fruit help it stick to animals which facilitate seed dispersal.


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer