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Hemionitis buchtienii
(Rosenst.) Christenh.
(no common name)
Pteridaceae
Hemionitis buchtienii is a species of fern in the family Pteridaceae. It is native to Argentina, Bolivia, and possibly Peru.
Description
Hemionitis buchtienii is a creeping plant with 2 to 4 mm wide rhizomes covered with brown scales. These scales are 2.5 to 3.5 mm long and 0.1 to 0.3 mm wide, linear but twisted, shiny, and with fine teeth. Fronds are narrow, 16 to 42 cm long and 2.5 to 5.0 cm wide, crowded. The stipes are sometimes shiny, about a third to almost half the length of the frond, cylindrical, brown to black, densely covered with 1 to 1.5 mm long, whitish to rusty-colored hairs. The blade itself is lanceolate to elliptical, sometimes oblong, pinnate-pinnatifid to pinnate-bipinnatifid, with truncate bases and acute or blunt tips. The basal pair of pinnae are sometimes reduced and separated from the second-most-basal pair. There are 12 to 20 pairs of pinnae, each 1.7 to 3.2 cm long and 0.8 to 1.5 cm, lanceolate to also slightly ovate or narrowly triangular, shortly stalked. These pinnae have truncate bases and acute tips, with 5 to 7 lobes on each side; the lower side is densely woolly-hairy and with more hairs near the center. The upper side has sparse or dense, woolly-hairy whitish hairs. Veins are visible on the lower side. Indusia have irregularly notched margins (Sundue and Nee 2010).
Uses
Note: Please see the disclaimer regarding any information about medical or edible uses.
Distribution
Hemionitis buchtienii is native to the Argentinian provinces of Buenos Aires, La Pampa, Córdoba, San Luis, Mendoza, San Juan, La Rioja, Catamarca, Tucumán, Salta, and Jujuy, and the Bolivian departments of Tarija, Santa Cruz, Cochabamba, and La Paz. It may also be native to Peru (Hassler and Schmitt 2019).
Status
References
Hassler, M., and Schmitt, B. 2019. Checklist of Ferns and Lycophytes of the World. [accessed 2019 Jun 7]. https://worldplants.webarchiv.kit.edu/ferns/
Sundue, M, and Nee, M. H. 2010. Flora de la región del Parque Nacional Amboró. Parte 1. Licófitas, Helechos y Gimnospermas. Santa Cruz, Bolivia: Editorial FAN.
Sundue, M, and Nee, M. H. 2010. Flora de la región del Parque Nacional Amboró. Parte 1. Licófitas, Helechos y Gimnospermas. Santa Cruz, Bolivia: Editorial FAN.
Description
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