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Alternanthera flavescens
Yellow joyweed


Alternanthera flavescens
Copyright by: Roger L. Hammer

Família/Family: Amaranthaceae

Grupo/Group: Dicotiledónea/Dicotyledon.

Distribución nativa/Native range: Indias Occidentales (donde es dispersa y posiblemente introducida en parte), Florida peninsular, sur de México, Centroamérica y Sudamérica. / The West Indies (where scattered and possibly introduced in part), peninsular Florida, southern Mexico, Central America and South America.

Mapa de ubicaciones / Map of locations

Notas/Notes: Some authorities (e.g. The Plant List, Flora of the West Indies) treat both A. flavescens and A. ramosissima as accepted names. Others (e.g., ITIS, Flora of North America) place A. ramosissima into synonymy under A. flavescens. We follow the latter treatment.


ESTATUS EN LA ISLA DE PUERTO RICO/STATUS ON THE ISLAND OF PUERTO RICO
Presencia/Occurence: Reportado/Reported.

Historia y distribución/History and distribution: Cited by Britton & Wilson (1924 [V(2):281]) from coastal sands, San Juan and near Bayamón. Subsequently cited by Woodbury et al. (1975) and Liogier & Martorell (1982, 2000) with the same basic information. Liogier (1985 [I: 147]) suggested this might have been a misidentification of Gomphrena serrata. Treated as a doubtful part of the flora by Axelrod (2011), and as exotic in Puerto Rico by Acevedo-Rodríguez & Strong (2012, 2015). There is a specimen online at the US herbarium at the Smithsonian Institution cited as collected by P.E.E. Sintenis in 1885 at San Juan and Punto Cangrejos.

CONSERVACIÓN/CONSERVATION
Notas de Conservación/Conservation Notes: Fue listada por primera vez como una especie rara en Puerto Rico por Woodbury et al. (1975), quienes la clasificaron como una especie en peligro no endémica de Puerto Rico (especie No. 148).
/
Reported as a rare species in Puerto Rico by Woodbury et al. (1975), who classified it as an endangered species not endemic to Puerto Rico (species No. 148).

TAXONOMÍA/TAXONOMY
Nombre científico con autores/Scientific name with authors: Alternanthera flavescens Kunth

Sinónimos/Synonyms: Achyranthes ramosissima(Mart.) Standl., Alternanthera ramosissima (Mart.) Chodat.




ENLACES A PAGINAS EXTERNAS/LINKS TO EXTERNAL WEBSITES


Todas las Imgenes/All Images:
Alternanthera flavescens
Copyright by: Roger L. Hammer
Alternanthera flavescens
Copyright by: James Johnson, 2014
In habitat, John Pennekamp Coral Reef State Park,
Monroe County, Florida
Alternanthera flavescens
Copyright by: James Johnson, 2014
In habitat, Blazingstar Preserve, Palm Beach County, Florida
Alternanthera flavescens
Copyright by: Jay Horn via iNaturalist