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Coreopsis calliopsidea (Leafstem tickseed)
Bransford, W.D. and Dolphia

Coreopsis calliopsidea

Coreopsis calliopsidea (DC.) A. Gray

Leafstem Tickseed, Leaf-stem Tickseed, Leafy Stem Coreopsis

Asteraceae (Aster Family)

Synonym(s): Agarista calliopsidea

USDA Symbol: COCA9

USDA Native Status: L48 (N)

A stout, erect annual, the 4-20 in. stems bearing one flower head each. Leaves, on the lower half of the stem, are once- or twice-pinnately compound. Yellow, daisy-like flower heads are up to 3 in. across.

Leafy-stem Coreopsis is a member of the aster family (family Asteraceae). In this large, worldwide family there are about 920 genera and 19,000 species. Cosmos, Sunflower, Zinnia, Dahlia, and many others are grown as ornamentals; while Lettuce, Sunflowers, and Artichokes provide food.


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 20 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: Feb , Mar , Apr , May , Jun


Native Distribution: Inner Coast Ranges from Alameda to Santa Barbara Co., CA, e. to w. Mojave Desert
Native Habitat: Dry, open gravelly sites from 500-3200 ft.

Growing Conditions

Light Requirement: Sun
Soil Description: Gravelly or sandy loams.
Conditions Comments: Does not always persist in the garden.

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Web Reference

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


Record Modified: 2022-12-23
Research By: TWC Staff

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