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Paracarphalea, a new genus of the coffee family segregated from the Malagasy endemic genus Carphalea (Rubiaceae, Rubioideae, Knoxieae)
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Systematic Biology. Stockholm Univ, Dept Bot, SE-10691 Stockholm, Sweden.
Uppsala University, Music and Museums, The Linnean Gardens of Uppsala.
Stockholm Univ, Dept Bot, SE-10691 Stockholm, Sweden; Royal Swedish Acad Sci, Bergius Fdn, SE-10405 Stockholm, Sweden.
Royal Swedish Acad Sci, Bergius Fdn, SE-10405 Stockholm, Sweden; Swedish Museum Nat Hist, Dept Bot, Box 50007, SE-10405 Stockholm, Sweden.
2016 (English)In: Phytotaxa, ISSN 1179-3155, E-ISSN 1179-3163, Vol. 263, no 2, 98-112 p.Article in journal (Refereed) Published
Abstract [en]

The Malagasy genus Carphalea (Rubiaceae) consists of six species (C. angulata, C. cloiselii, C. kirondron, C. linearifolia, C. madagascariensis, C. pervilleana) of shrubs or small trees and is recognizable by a distinctly lobed calyx, 2(–4)-locular ovaries, each locule with several ovules on a rod-like stalk arising from the base of the locule, and indehiscent fruits. Carphalea linearifolia, rediscovered in 2010, has not previously been included in any Rubiaceae molecular phylogenetic studies. We re-investigated the monophyly of Carphalea using sequence data from chloroplast (rps16 and trnT-F) and nuclear (ITS and ETS) markers analysed with parsimony and Bayesian methods. Carphalea linearifolia forms a clade with Ccloiselii and the type species C. madagascariensis. This clade is sister to a clade consisting of the rest of the Carphalea species plus the genus Triainolepis. According to these results, the new genus Paracarphalea is here described to accommodate Carphalea angulata, C. kirondron, and C. pervilleana. Theconservation status of Carphalea linearifolia is assessed as critically endangered according to IUCN criteria.

Place, publisher, year, edition, pages
2016. Vol. 263, no 2, 98-112 p.
Keyword [en]
rps16, trnT-F, ITS, ETS, molecular phylogenetics, IUCN criteria
National Category
Biological Systematics Botany
URN: urn:nbn:se:uu:diva-295168DOI: 10.11646/phytotaxa.263.2.2ISI: 000381827400002OAI: oai:DiVA.org:uu-295168DiVA: diva2:933118
Available from: 2016-06-03 Created: 2016-06-03 Last updated: 2016-09-19Bibliographically approved

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Ferm, JuliaKårehed, Jesper
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