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Asplenium resiliens
Also called Black Stemmed Spleenwort
Asplenium resiliens, the blackstem spleenwort or little ebony spleenwort, is a species of fern native to the Western Hemisphere, ranging from the southern United States south to Uruguay, including parts of the Caribbean. Found on limestone substrates, it is named for its distinctive purplish-black stipe and rachis. A triploid, it is incapable of sexual reproduction and produces spores apogamously. First described by Martens and Galeotti in 1842 under the previously used name Asplenium parvulum, the species was given its current, valid name by Kunze in 1844. Several similar species are known from the tropics; A. resiliens may have arisen from these species by reticulate evolution, but precise relationships among the group are not yet certain.
Asplenium resiliens is tolerant of cold to USDA hardiness zone 6. It prefers moist conditions, a basic potting soil, and a medium amount of light.
Asplenium resiliens is found in the southern United States, Mexico, Hispaniola, Jamaica, Guatemala, and South America from Colombia and Venezuela south to northern Argentina, Uruguay, and Brazil. Within the United States, it is found from Florida west to Arizona and southern Nevada and north to south-central Pennsylvania. It is found throughout most of Mexico, but is most abundant in the northeast, in Nuevo León and Coahuila. In Guatemala, it is known from the western departments of Huehuetenango, El Quiché, and Sololá. In Argentina, its distribution follows the arc of the mountains from Jujuy Province southward to the Sierra de la Ventana in Buenos Aires Province; it is also known from Mendoza Province, in the west of the country, from the departments of Las Heras and Luján de Cuyo.
Black spleenwort · Asplenium aequibasis · Egyptian spleenwort · Asplenium anceps · Bird’s Nest Fern · Asplenium appendiculatum · Asplenium arcanum · Fern · Asplenium attenuatum · Eared Spleenwort · Bird's Nest Fern · Azorean Spleenwort
Text excerpted from the Wikipedia article Asplenium resiliens by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
