Rhigospira Explained

Rhigospira is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1878 by John Miers.^[1] The species, Rhigospira quadrangularis was first described as Ambelania quadrangularis by Johannes Müller Argoviensis in 1860^[2] but was transferred to the genus, Rhigospira, in 1878 by John Miers.^[3] The genus contains only one known species, Rhigospira quadrangularis, native to northwestern South America (Colombia, Venezuela, Peru, NW Brazil).^{[4] [5]}

formerly placed in the genus^[4]

• Rhigospira paucifolia (Müll.Arg.) Miers = Macoubea guianensis Aubl.
• Rhigospira reticulata (A.DC.) Miers = Macoubea guianensis Aubl.
• Rhigospira sinuosa Miers = Macoubea guianensis Aubl.
• Rhigospira sprucei (Müll.Arg.) Miers = Macoubea sprucei (Müll.Arg.) Markgr.
• Rhigospira ternstroemiacea (Müll.Arg.) Miers = Neocouma ternstroemiacea (Müll.Arg.) Pierre
• Rhigospira venulosa Miers = Spongiosperma macrophyllum (Müll.Arg.) Zarucchi

Notes and References

1. Web site: Rhigospira quadrangularis (Müll.Arg.) Miers Plants of the World Online Kew Science. Plants of the World Online. 2020-05-30.
2. Ambelanaia quadrangularis. Müller Argoviensis, J.. Flora Brasiliensis. 6. 1. 18. 1860. C.F.P. von Martius.
3. Book: On the Apocynaceae of South America, with some preliminary remarks on the whole family. Miers, J.. 68. 1878.
4. http://apps.kew.org/wcsp/namedetail.do?name_id=177993 Kew World Checklist of Selected Plant Families
5. Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.