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Cynanchum s.str., Pentarrhinum and Schizostephanus in Africa

(Apocynaceae-Asclepiadoideae-Asclepiadeae-Cynanchinae)

Based on the study of living plants and herbarium material, a taxonomic revision of the genus Cynanchum s.str. (excl. Sarcostemma R. Br.) in mainland Africa was conducted (for current delimitation of Cynanchum see Asclepiad Genera). Cynanchum here comprises 28 species (about half the number found in Madagascar).  All species, as well as those previously belonging to Cynanchum, but now transferred to Pentarrhinum and Schizostephanus, are presented on this page. An illustration and a distribution map is offered for (nearly) every species as well.

References:
Liede, S. 1993. A taxonomic revision of the genus Cynanchum in southern Africa. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 114: 503-550.
Liede, S. 1996. A revision of Cynanchum (Asclepiadaceae) in Africa. Annals of the Missouri Botanical Garden 83: 283-345.
Goyder, D.J. & Liede-Schumann, S. 2008. Notes on Cynanchum and Pentarrhinum (Apocynaceae: Asclepiadoideae) in tropical Africa. Kew Bulletin 63: 463-466.

Index of Cynanchum species:

Index of Cynanchum species (cont):

Index of Pentarrhinum and Schizostephanus species:

 

 

Names excluded from Cynanchum

Cynanchum arboreum Forssk. = Leptadenia arborea (Forssk.) Schweinf.

Cynanchum atropurpureum (E. Mey.) D. Dietr. = Schizoglossum atropurpureum E. Mey.

Cynanchum argel Delile = Solenostemma argel (Delile) Hayne

Cynanchum bidens (E. Mey.) D. Dietr. = Schizoglossum bidens E. Mey.

Cynanchum boveanum Decne. = Glossonema boveanum (Decne.) Decne.

Cynanchum chirindense S. Moore = Tylophora sp.

Cynanchum cordifolium (E. Mey.) D. Dietr. = Schizoglossum sp.

Cynanchum crispum Thunb. = Gomphocarpus crispus (P.J. Bergius) W.T.Aiton

Cynanchum defoliascens K. Schum. = Blyttia fruticulosum (Decne.) D.V.Field & J.R.I. Wood

Cynanchum filiforme L.f. = Schizoglossum sp. fide Schlechter (1895)

Cynanchum fruticulosum Decne. = Blyttia fruticulosum (Decne.) D.V. Field & J.R.I. Wood

Cynanchum hamatum (E. Mey.) D. Dietr. = Schizoglossum hamatum E. Mey.

Cynanchum heterophyllum Delile = Leptadenia heterophylla (Delile) Decne.

Cynanchum lancifolium Schumach. & Thonn. = Leptadenia lancifolium (Schumach.) Decne.

Cynanchum latifolium Schumach. & Thonn. = Leptadenia lancifolium Decne.

Cynanchum linifolium (Balf. f.) Bullock = Vincetoxicum linifolium Balf. f.

Cynanchum mauritianum Bojer ex Decne. = Tylophora laevigata Decne.

Cynanchum microstegium K. Schum. = Blyttia fruticulosum (Decne.) D.V.Field & J.R.I. Wood

Cynanchum molle (E. Mey.)  D. Dietr. = Anisotoma cordifolia Fenzl

Cynanchum oleaefolium Nectoux = Solenostemma argel (Delile) Hayne

Cynanchum omissum Bullock = Fockea angustifolia K. Schum.

Cynanchum ovatum Thunb. = Leptadenia reticulata (Retz.) Wight

Cynanchum pendulum Poir. = Leptadenia sp.

Cynanchum radians (Forssk.) Lam. = Odontanthera radians (Forssk.) D.V. Field

Cynanchum reticulatum Retz. = Leptadenia reticulata (Retz.) Wight

Cynanchum roseum Chiov. = Tylophora heterophylla A. Rich.

Cynanchum scabrum Schumach. & Thonn. = Marsdenieae

Cynanchum senegalense Sieber ex Decne. = Gymnema subvolubile (Schumach.) Decne.

Cynanchum subvolubile Schumach. & Thonn. = Gymnema subvolubile (Schumach.) Decne.

Cynanchum tetrapterum (Turcz.) R.A. Dyer = S. viminale (L.) R. Br.

Cynanchum validum N.E. Br.  = Schizostephanus alatus Hochst. ex K. Schum.

Cynanchum verticillare Lam. = Schizoglossum sp. fide Schlechter (1895)

Letzte Änderung Wed, 10 Aug 2011 17:46:39