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Thymophylla pentachaeta var. pentachaeta (Dogweed)
Flaigg, Norman G.

Thymophylla pentachaeta var. pentachaeta (DC.) Small

Dogweed, Dyssodia, Fiveneedle pricklyleaf

Asteraceae (Aster Family)

USDA Symbol: thpep

USDA Native Status: Native to U.S.

Fiveneedle pricklyleaf is small and erect, 4–10 inches tall. It has many branches with slender, needle-like leaves about 1/2 inch long, divided into narrow lobes tipped with a spine. The flower heads, 1/2 inch across, are above the leaves at the end of stems about 3 inches long. They are yellow and numerous, with prominent protruding yellow centers.

Strong-scented plants that have a lingering, unpleasant odor.

 

From the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Subshrub
Leaf Retention: Deciduous
Leaf Arrangement: Opposite
Leaf Complexity: Pinnate
Fruit:
Size Class: 0-1 ft.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: May , Jun , Jul , Aug , Sep , Oct

Distribution

USA: NM , TX
Native Habitat: Dry roadsides, gravelly slopes, washes and rocky places, often on limestone throughout Texas.
USDA Native Status: L48(N)

Growing Conditions

Light Requirement: Sun

Benefit

Fragrant Flowers: yes
Attracts: Birds
Deer Resistant: High

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Lady Bird Johnson Wildflower Center - Austin, TX
Brackenridge Field Laboratory - Austin, TX
Nueces River Authority - Uvalde, TX

Herbarium Specimen(s)

NPSOT 0073 Collected Oct. 14, 1990 in Bexar County by Mollie Walton
NPSOT 0632 Collected Nov 4, 1993 in Bexar County by Mike Fox

Bibliography

Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller

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Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Thymophylla pentachaeta var. pentachaeta in USDA Plants
FNA: Find Thymophylla pentachaeta var. pentachaeta in the Flora of North America (if available)
Google: Search Google for Thymophylla pentachaeta var. pentachaeta

Metadata

Record Modified: 2008-05-12
Research By: LAL

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