<p>A new species of the palaeotropical genus <i>Stenandriopsis</i> S.Moore (Acanthaceae) is described from Daraina region (Loky-Manambato) in northeastern Madagascar, and named <i>S. darainensis</i> I.Darbysh. &amp; Callm. It is compared to the most similar species morphologically, <i>S. boivinii</i> (S.Moore) Benoist, and notes on its habitat preferences and conservation status (extinction risk) are provided — it is assessed using IUCN criteria as Vulnerable [VU D2]. In addition, <i>Stenandriopsis leptostachys</i> Benoist var. <i>longifolia</i> Benoist from southern Madagascar is re-elevated to full species status and a new combination in <i>Stenandriopsis</i> is made for this taxon, <i>Stenandriopsis longifolia</i> (Benoist) I.Darbysh. &amp; Callm.</p>

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A new species and a new combination in Stenandriopsis (Acanthaceae) from Madagascar

  • Iain Darbyshire,
  • Martin W. Callmander,
  • Nomentsoa J. E. Randriamamonjy

摘要

A new species of the palaeotropical genus Stenandriopsis S.Moore (Acanthaceae) is described from Daraina region (Loky-Manambato) in northeastern Madagascar, and named S. darainensis I.Darbysh. & Callm. It is compared to the most similar species morphologically, S. boivinii (S.Moore) Benoist, and notes on its habitat preferences and conservation status (extinction risk) are provided — it is assessed using IUCN criteria as Vulnerable [VU D2]. In addition, Stenandriopsis leptostachys Benoist var. longifolia Benoist from southern Madagascar is re-elevated to full species status and a new combination in Stenandriopsis is made for this taxon, Stenandriopsis longifolia (Benoist) I.Darbysh. & Callm.