Typification and taxonomy in Mimosa subser. Obstrigosae (Fabaceae, mimosoid clade)

• Fernanda Schmidt Silveira ^[1] ; Silvia Teresinha Sfoggia Miotto ^[1] ; João Ricardo Vieira Iganci ^[1]
  1. [1] Universidade Federal do Rio Grande do Sul

     Universidade Federal do Rio Grande do Sul

     Brasil

     
• Localización: Willdenowia: Annals of the Botanic Garden and Botanical Museum Berlin-Dahlem, ISSN 0511-9618, ISSN-e 1868-6397, Vol. 48, Nº. 3, 2018, págs. 443-449
• Idioma: inglés
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• Resumen

  • During a revision of Mimosa sect. Mimosa from southern Brazil, we noticed that M. adpressa Hook. & Arn., a species of M. subser. Obstrigosae (Benth.) Barneby, has never been typified and that M. subinermis Benth. has long been considered a synonym of M. rupestris Benth. We designate here a specimen from Argentina, collected by Tweedie and deposited in the Kew herbarium, as the lectotype of M. adpressa. Furthermore, we show that M. subinermis is readily distinguished from M. rupestris by many morphological features (e.g. habit, calyx type, fruits), supporting our hypothesis that M. subinermis is a distinct species.