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Acmella oppositifolia var. repens (Oppositeleaf spotflower)
Loveless, Brenda K.

Acmella oppositifolia var. repens

Acmella oppositifolia (Lam.) R.K. Jansen var. repens (Walter) R.K. Jansen

Oppositeleaf Spotflower, Opposite-leaf Spotflower

Asteraceae (Aster Family)

Synonym(s): Acmella repens, Spilanthes americana, Spilanthes americana var. repens


USDA Native Status: L48 (N)


From the Image Gallery

15 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: To about 1 foot in height, usually less.
Leaf: Green
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Orange , Yellow , Green
Bloom Time: Jul , Aug , Sep , Oct , Nov
Bloom Notes: Disc florets yellow to orange. Ray florets orange.


USA: AL , AR , FL , GA , LA , MO , MS , NC , OK , SC , TN , TX

Growing Conditions

Water Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Medium


Conspicuous Flowers: yes

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

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

Lady Bird Johnson Wildflower Center - Austin, TX

Wildflower Center Seed Bank

LBJWC-1217 Collected 2008-11-01 in Brazoria County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Additional resources

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


Record Modified: 2018-11-01
Research By: TWC Staff

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