A taxonomic revision of the Capparis spinosa group (Capparaceae) from the Mediterraneanto Central Asia

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23 Citazioni (Scopus)

Abstract

A revision of the Capparis spinosa group has been carried out in southern Europe, northern Africa, western and central Asia,in order to provide a uniform taxonomic treatment of its representatives. The xerotropical origin of this group, showingdisjunct distribution in several holoarctic and paleotropical regions, is underlined and the different species concepts historicallyadopted are discussed. In the present treatment a single species is recognized, C. spinosa, represented in the study areaby two subspecies. C. spinosa subsp. spinosa shows derived characters, high polymorphism and a wide distribution rangefrom the Mediterranean eastwards to China and Nepal. C. spinosa subsp. rupestris, less variable and showing phenotypiccharacters closer to the tropical stock of the group, is recorded in the Mediterranean Region and the Sahara. On the basis ofherbarium and field investigations, the variability and distribution of the two subspecies are examined. Within each subspeciessome varieties are recognized, for which morphological, chorological and autecological data are presented. Four newcombinations (C. spinosa subsp. spinosa var. herbacea, C. spinosa subsp. spinosa var. atlantica, C. spinosa subsp. rupestrisvar. ovata, C. spinosa subsp. rupestris var. myrtifolia) are proposed.
Lingua originaleEnglish
pagine (da-a)1-24
Numero di pagine24
RivistaPhytotaxa
Volume174
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

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