Host an Event Volunteer Join Tickets

Support the plant database you love!

Share

Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or you can choose a plant family:
Coreopsis douglasii (Douglas' tickseed)
Bransford, W.D. and Dolphia

Coreopsis douglasii

Coreopsis douglasii (DC.) H.M. Hall

Douglas' Tickseed

Asteraceae (Aster Family)

Synonym(s): Coreopsis stillmanii var. jonesii, Leptosyne douglasii

USDA Symbol: CODO2

USDA Native Status: L48 (N)

A delicate, erect annual with few 2-10 in. stems, each bearing one flower head. Leaves are basal, or nearly so, and thread-like. The small, golden, daisy-like heads are less than an inch across.

 

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 10 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Mar , Apr , May

Distribution

USA: AZ , CA
Native Distribution: Inner Coast Ranges from Santa Clara to Santa Barbara Cos., CA
Native Habitat: Gravelly or rocky, open slopes from 500-2000 ft.

Growing Conditions

Light Requirement: Sun
Soil Description: Gravelly soils.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Coreopsis douglasii in USDA Plants
FNA: Find Coreopsis douglasii in the Flora of North America (if available)
Google: Search Google for Coreopsis douglasii

Metadata

Record Modified: 2022-12-09
Research By: TWC Staff

Go back