Polylepis australis
Polylepis australis Bitter
Polylepis australis is a tree species in the Rosaceae family, native to central Argentina. It is known locally as tabaquillo or queñoa. The genus Polylepis is native to the eastern Andean forests of eastern South America. The species was first described in 1911 by Bitter.
Description
Polylepis australis is a tree that grows 3 to 8 meters tall. It has imparipinnate leaves with 2 to 3 pairs of leaflets, which are elliptic in shape and have serrated margins. The leaf surfaces are glabrous or sparsely hispid. The inflorescences are pendant, bearing 5 to 12 flowers, with floral bracts that are narrowly triangular. The flowers have four ovate sepals and 10 to 22 stamens, with anthers bearing a dense tuft of white hairs. The fruits are turbinate with 2 to 3 irregular, thin wings and are glabrous. The species exhibits diploid, triploid, tetraploid, and hexaploid chromosome numbers.
Distribution
Argentina Northeast · Argentina Northwest
Synonyms
Polylepis racemosa var. albotomentellaPolylepis australis var. glabraPolylepis australis var. glabrescensPolylepis australis var. subcalvaPolylepis australis var. oblanceolataPolylepis australis var. latifoliolataPolylepis australis var. fuscitomentellaPolylepis australis var. crenulataPolylepis racemosa var. fuscotomentellaPolylepis racemosa var. glabrescensPolylepis racemosa var. glabraPolylepis racemosa var. pubinerviaPolylepis racemosa var. subresinosaPolylepis racemosa var. pubescensPolylepis australis var. tucumanicaPolylepis racemosa f. albotomentellaPolylepis australis subvar. breviusculaPolylepis australis subvar. gracilescensPolylepis australis subvar. latifronsPolylepis australis subvar. majuscula
