{"title":"Piper alwynii (Piperaceae), a New Species from the Cordillera del Cóndor at the Border of Peru and Ecuador","authors":"M. Alejandra Jaramillo","doi":"10.3417/2023862","DOIUrl":null,"url":null,"abstract":"Piper alwynii M. A. Jaram. (Piperaceae), a new species occurring in sandstone outcrops of the Cordillera del Cóndor at the border of Ecuador and Peru, is here described and illustrated. Morphologically it shows similarities to species in the Radula clade. Piper alwynii is similar to P. purdiei C. DC. but differs in having leaves pinnately nerved within the lower two thirds of the midvein, nerves pubescent on the abaxial surface, villous peduncles, and spikes 2–2.7 cm long. An identification key for 32 northern South American Piper L. species with small (≤ 10 cm) leaves is presented.","PeriodicalId":49737,"journal":{"name":"Novon","volume":"15 1","pages":"0"},"PeriodicalIF":0.5000,"publicationDate":"2023-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Novon","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3417/2023862","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Piper alwynii M. A. Jaram. (Piperaceae), a new species occurring in sandstone outcrops of the Cordillera del Cóndor at the border of Ecuador and Peru, is here described and illustrated. Morphologically it shows similarities to species in the Radula clade. Piper alwynii is similar to P. purdiei C. DC. but differs in having leaves pinnately nerved within the lower two thirds of the midvein, nerves pubescent on the abaxial surface, villous peduncles, and spikes 2–2.7 cm long. An identification key for 32 northern South American Piper L. species with small (≤ 10 cm) leaves is presented.
Piper alwynii M. A. Jaram。(胡椒科)，一个新物种，出现在厄瓜多尔和秘鲁边境的Cóndor山脉的砂岩露头，在这里描述和说明。在形态上，它显示出与Radula分支的物种的相似性。Piper alwynii与P. purdiei C. DC相似。但不同之处在于在中脉的下三分之二处有羽状神经的叶，背面有短柔毛的神经，长绒毛的花序梗和2-2.7厘米长的穗状花序。提出了32种南美北部小叶(≤10 cm)胡椒属植物的识别密钥。
期刊介绍：
Novon is a quarterly, peer-reviewed botanical journal whose purpose is to publish articles establishing new nomenclature, including new taxa and new names, for vascular plants and bryophytes. Short papers typifying existing names may also be accepted. Lengthy revisions that primarily describe and discuss known species, while publishing nova incidentally, are not appropriate for Novon. Articles may be written in English or Spanish.
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