Characteristics
Dicots
Bidens pilosa L.
SPANISH NEEDLES
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Some specimens in the West Indies appear to have some achenes with three awns, some with only two awns, and some with a reduced third awn (e.g. Franck et al. 3757, Proctor 26315).
Not Native
FAC (NWPL)
FAC (DEP)
Classification
Citation
BIDENS PILOSA Linnaeus, Sp. Pl. 832. 1753.
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Without data (lectotype: LINN 975.8). Lectotypified by D'Arcy, in Woodson & Schery, Ann. Missouri Bot. Gard. 62: 1178. 1975.