Acmella pusilla
Syst. Bot. Monogr. 8: 46. 1985.
Introduced
Basionym: Spilanthes pusilla Hooker & Arnott J. Bot. (Hooker) 3: 317. 1841
Leaves: petioles 2–4 mm; blades lanceolate, mostly 12–40 × 3–10 mm, margins usually sinuate-dentate, rarely entire. Cypselae 1.2–1.6 mm, ciliate or not, tips of cilia recurved; pappi 0 or of 1–2 bristles. 2n = 26, 52.
Phenology: Flowering May–Sep.
Habitat: Disturbed sites
Elevation: 0–10 m
Distribution
Introduced; Fla., Ga., N.C., S.C., South America.
Discussion
Selected References
None.
Lower Taxa
None.