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A new species of scaly tree fern, Alsophila elata , from the Tucuman-Bolivian Forest is described. It occurs in northwestern Argentina and southern Bolivia and is characterized by deciduous fronds, urceolate and squamulate indusia, and simple and scaly paraphyses. Morphological aspects of the similar A. odonelliana are also described. A distribution map, SEM photographs,...
Pteris exigua, an endemic species from the Tucumano-Boliviano forests, northwestern Argentina, is described and distinguished from similar species of Pteris that occur in this region.
A new genus of Phytolaccaceae,Nowickea, includes two new species,N. xolocotzii andN. glabra, each known only from its type locality in the states of Jalisco and Morelos, Mexico, respectively.Nowickea exhibits close relationship withPhytolacca by a robust herbaceous growth habit, 7- to 10-carpellate ovary, carpels with terminal, basally connate styles, basal placentation, and fleshy fruits. It is distinguished...
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