A first report of Xeranthemum annuum (Asteraceae: Cardueae) in Montana and North America (U.S.A.)
DOI:
https://doi.org/10.17348/jbrit.v19.i3.1429Resumen
Informamos de la primera aparición naturalizada en América del Norte del género Xeranthemum L., representada por la especie de X. annuum L. en una pista de aterrizaje en Troy, Montana. Analizamos la localidad en detalle, el número de plantas encontradas, incluimos sinónimos comúnmente aceptados y analizamos el uso de la especie en la industria de las flores secas. Una característica atípica de la especie son las brácteas filarias internas relativamente alargadas, que sugieren flores radiales. Se incluyen escaneos de especímenes de herbario digitalizados, incluido uno de la Universidad de Moscú y uno de nuestra nueva aparición en América del Norte, para mostrar la variación en el color floral.
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