Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
ACMELLA Richard ex Persoon, Syn. Pl. 2: 472. 1807.
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TYPE: Acmella mauritiana Persoon (Spilanthes acmella Murray)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Acmella pusilla | Argentine Spotflower | |||
| Acmella repens | Creeping Spotflower |
Identification Key
1. Ray flowers absent; disc 10-20 mm wide, usually with a distinct purplish or maroon zone at the tip; pappus of 2-3 bristles
1. Ray flowers usually present on some flowers, corolla yellow; disc 4-10 mm wide, uniformly yellow; pappus absent
2
2. Plant densely pilose; leaf blade base cordate to truncate; phyllaries 15-21, in 3 series
2. Plant glabrate or sparsely puberulous; leaf blade base cuneate or attenuate; phyllaries 6-16, in 2 series
3
3. Petioles 2-4 mm long; leaf blades linear-lanceolate, 12-40 mm long, 3-10 mm wide
3. Petioles 3-40+ mm long; leaf blades ovate to lanceolate, 20-40(100) mm long, (4)10-35 mm wide
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||