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Webbia
Journal of Plant Taxonomy and Geography
Volume 66, 2011 - Issue 1
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Original Articles

Studies on Schismatoglottideae (Araceae) of Borneo XIV: Piptospatha marginata resurrected and observations on Piptospatha, notably for the Rejang drainages

Indagini sulle Schismatoglottideae (Araceae) del Borneo XIV: rivalutazione di Piptospatha marginata e osservazioni sul genere Piptospatha, in particolare delle aree argillose del Rejang

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Pages 29-32 | Accepted 21 Feb 2011, Published online: 14 Apr 2013
 

Summary

Piptospatha marginata is shown to be a morphologically and ecologically distinct species restricted to exposed shales along the Rejang drainages of central Sarawak, and not a synonym of NW Bornean, granite-obligated P. elongata, with which it has been considered conspecific. Recognition of P. marginata as distinct takes to nine the number of recognized Piptospatha species, of which seven are endemic to Borneo. An expanded description of P. marginata is presented and an updated key to the genus is provided.

Piptospatha marginata specie limitata agli affioramenti di argilla lungo il bacino del Rejang del Sarawak centrale, è qui considerata una specie ben distinta morfologicamente ed ecologicamente rispetto a P. elongata del Borneo nord-occidentale, rispetto alla quale era stata interpretata come conspecifica. Il riconoscere P. marginata come specie distinta porta a nove il numero delle specie appartenenti a questo genere, di cui 7 endemiche del Borneo. Viene proposta una descrizione dettagliata di P. marginata, oltre a una aggiornata chiave identificativa per l'intero genere.

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