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<i>DE MACROCARPAEAE GRISEBACH (EX GENTIANACEIS) SPECIEBUS NOVIS</i> II: TYPIFICATION OFTHE RUIZ AND PAVON NAMES
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Harvard Papers in Botany, Harvard University Herbaria, 2003/7/2/423-436
Résumé
Ruiz and Pavon described four species of <i>Lisianthus</i> (Gentianaceae) that are now recognized in the genus <i>Macrocarpaea</i> : <i>Lisianthus corymbosus</i>, <i>L. ovalis</i>, <i>L. revolutus</i>, and <i>L. viscosus</i>. These species were described from specimens collected in the province of Huánuco, Peru, and are here identified as relatively narrow endemics largely of that province. Their complicated taxonomie or nomenclatural history has required a careful review that revealed interesting details relevant to their circumscriptions. Lectotypes are selected for <i>Lisianthus corymbosus</i>, <i>L. revolutus</i>, <i>L. viscosus</i>, <i>Macrocarpaea arborescens</i>, <i>M. pachystyla</i>, and <i>M. sodiroana</i>. <i>Lisianthus corymbosus</i> is recognized as an illegitimate name, and is therefore reduced to synonymy under the next validly published name, <i>Macrocarpaea pachystyla</i>. <i>Lisianthus ovalis</i> does not have a type, and is therefore excluded from use. <i>Macrocarpaea arborescens</i> is identified here as a species of southern Ecuador, previously recognized as <i>M. ovalis</i>. The name "Macrocarpaea magnifica Ewan, ined" is a <i>nomen herbariorum</i>, here recog- nized as <i>M. arborescens</i>. The previously broadly circumscribed <i>Macrocarpaea sodiroana</i> is here recognized as restricted to the province of Pichincha, Ecuador. A new identification is reported where the anomalous specimen <i>Dannouse s.n. </i> (NY) previously identified as " <i>Macrocarpaea</i> sp." by Ewan (1948) is identified as <i>Tabernaemontana crassa</i> (Apocynaceae).
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journal article
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