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Erigeron uniflorus ssp. eriocephalus

Erigeron uniflorus L. ssp. eriocephalus (J. Vahl) Cronquist

Oneflower Fleabane, One-flower Fleabane

Asteraceae (Aster Family)

Synonym(s): Erigeron eriocephalus, Erigeron uniflorus var. eriocephalus


USDA Native Status: AK (N), CAN (N), GL (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb
Root Type: Fibrous , Tap
Leaf Arrangement: Alternate
Leaf Shape: Obovate
Leaf Margin: Entire
Leaf Apex: Obtuse
Breeding System: Flowers Unisexual , Flowers Bisexual
Inflorescence: Terminal
Size Notes: Up to about 14 inches tall.
Leaf: Green with white hairs.
Fruit: Yellowish or brown. Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow
Bloom Time: Jun , Jul , Aug
Bloom Notes: White ray flowers, yellow disc flowers, bracts (under the flower) mostly wine red or purple.


Canada: BC , NL , NT , NU , ON , QC

Value to Beneficial Insects

Supports Conservation Biological Control

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

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 Erigeron uniflorus ssp. eriocephalus in USDA Plants
FNA: Find Erigeron uniflorus ssp. eriocephalus in the Flora of North America (if available)
Google: Search Google for Erigeron uniflorus ssp. eriocephalus


Record Modified: 2023-01-06
Research By: TWC Staff

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