Four New Species of Chusquea (Poaceae: Bambusoideae) from Brazil and Ecuador

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Abstract
Four new species ofChusquea—C. bahiana, C. bradei, C. leonardiorum, andC. loxensis—are described and illustrated.Chusquea bahiana andC. bradei, classified within subg.Rettbergia withinChusquea based on their infravaginal, geniculate branching and spatheate, often contracted inflorescences, are endemic to the Atlantic forests of Bahia and Espírito Santo, Brazil, where they are relatively uncommon.Chusquea leonardiorum andC. loxensis are native to the páramos of southern Ecuador;C. leonardiorum is moderately widespread, butC. loxensis is known from only two populations in the Parque Nacional Podocarpus in the province of Loja. These two species are allied withChusquea sect.Chusquea based on their erect to arching or scandent habit, extravaginal branching, and relatively numerous subsidiary branches per node.

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