Species Detail Forb

Flower Willow Lake Tr - Sue Smith		Yavapai County Native & Naturalized Plants Helianthus annuus - common sunflower Other Common Names: annual sunflower, Kansas sunflower, mirasol Plant Form: Forb or Subshrub Family: Asteraceae
Flower Willow Lake Tr - Sue Smith


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Bracts Willow Lake Sue Smith	Leaf Willow Lake Tr Sue Smith	Plant - summer Willow Lake Tr Sue Smith

Forb Plant Description

Origin: Native Life Cycle: Annual
General Desc: Widely branching, stout annual with coarse hairy leaves and stems. The up to 5 inch wide flower heads are heliotropic (move with the sun during the day).
Identification notes: Woody erect annual with rough round stems. Leaves mostly alternate, hairy and oval with long leaf stalks and smooth or toothed edges. Flower heads showy, yellow ray flowers, reddish-brown disc flowers. Bracts hairy on margins. Achenes have 2 awns.
Height: 9 feet

Habitat

Habitat Description: Roadsides, fields and flood plains.
Plant Communities: Riparian, Disturbed Areas
Elevation: 1000 - 7000 feet

Flower Characteristics

Color: Yellow ray, reddish-brown discs Shape: Daisy or dandelion-like not in clusters Tubular: N Flowering Period: Mar - Oct
Description: Bright yellow ray flowers with reddish-brown disc centers; to 5 inches wide.

Leaf and Stem Characteristics

Leaf Color: Dull green Leaf Type: Simple Leaf Shape: Triangular Leaf Margin: Toothed Leaf Attachment: Alternate Leaves Clasp: N
Hairs: Leaves and stems Spines: N
Leaf Description: Leaves are mostly alternate, lower leaves opposite; long petioles, broadly triangular to heart-shaped to 8 inches long; irregularly toothed; stiff haired.

Fruit and Seed Characteristics

Fruit Color: Brownish gray to black
Fruit Type: Achene
Fruit Notes: Achenes are topped with 2 awns.
Seed Notes: Seeds are eaten by birds, rodents and humans.


	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