Species Detail Forb

Flower heads		Yavapai County Native & Naturalized Plants Thymophylla acerosa - pricklyleaf dogweed Synonyms: Dyssodia acerosa Other Common Names: needleleaf dogweed, pricleleaf dogweed, shrubby dogweed Plant Form: Forb or Subshrub Family: Asteraceae
Flower heads


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

Forb Plant Description

Origin: Native Life Cycle: Perennial
General Desc: Plant grows from a woody stem with several branches near the base, forming a low mound. It has many slender, sharp-pointed leaves less than 1 inch long. Bright yellow daisy-like flowers cover the plant. Foliage has a disagreeable odor when handled.
Identification notes: Leaves entire, narrowly linear and needle-like; the stems are woody at the base.
Height: To 8 inches

Habitat

Habitat Description: Washes, dry rocky slopes, mesas, limestone soils.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: 3200 - 6000 feet

Flower Characteristics

Color: Yellow Shape: Daisy or dandelion-like not in clusters Tubular: N Flowering Period: Mar - Oct
Description: Usually 8 yellow ray flowers and slightly darker yellow disc flowers. Flower bracts are dotted with yellowish glands. The flowers are to 3/4 inch long at the ends of short stems.

Leaf and Stem Characteristics

Leaf Color: Dark green Leaf Type: Simple Leaf Shape: Narrow Leaf Margin: Smooth Leaf Attachment: Alternate and opposite Leaves Clasp: N
Hairs: Leaves and stems Spines: N
Leaf Description: Leaves are needle-like and dotted with yellowish glands. Mostly opposite to 1/2 inch long all along the stems.

Fruit and Seed Characteristics

Fruit Type: Achene
Fruit Notes: 1/8 inch long, finely striate with sparse hairs. Yellowish pappus bristles to 3/16 inch long.


	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