Original Research

New taxa and new combinations in Cotyledon and allied genera

H. R. Tölken
Bothalia | Vol 12, No 3 | a1794 | DOI: https://doi.org/10.4102/abc.v12i3.1794 | © 1978 Copyright Status: Not provided. Contact Holding Institution to verify copyright status. Rights Holder: South African National Biodiversity Institute
Submitted: 04 December 1978 | Published: 05 December 1978

About the author(s)

H. R. Tölken, Botanical Research Institute, Department of Agricultural Technical Services, South Africa

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Abstract

As a result of a re-evaluation of Cotyledon and Adromisehus, it was found necessary to amend the delimitation of Cotyledon and to describe a new genus Tylecodon. A summarized revision of Adromisehus with keys to sections, species and subspecific taxa is provided. The following new names and new combinations are effected: Adromisehus sect. Boreali Toelken,  A. cristatus var. clavifolius (Haw.) Toelken,—var. schonlandii (Phill.) Toelken,—var. zeyheri (Harv.) Toelken,  A. fallax Toelken,  A. fiticaulis subsp. marlothii (Schonl.) Toelken,  A. inamoenus Toelken,  A. marianae var. hallii (P. C. Hutch.) Toelken,—var. kubusensis (Uitew.) Toelken,  A. schuldtianus subsp. juttae (V. Poelln.) Toelken,  A. subviridis Toelken,  A. umbraticola subsp. raniosa Toelken, Tylecodon buchholzianus (Schuldt & Steph.) Toelken, T. cacalioides (L.f.) Toelken, T. decipiens Toelken, T. fragilis (Dyer) Toelken, T. faucium (V. Poelln.) Toelken, T. grandiflorus (Burm.f.) Toelken, T. hallii (Toelken) Toelken, T. hirtifolium (W. F. Barker) Toelken, T. leucothrix (C. A. Smith) Toelken, T. occultans (Toelken) Toelken, T. paniculatus (L.f.) Toelken, T. pearsonii (Schonl.) Toelken, T. pygmaeus (W. F. Barker) Toelken,—var. tenuis (Toelken) Toelken, T. racemosus (Harv.) Toelken, T. reticulatus (L.f.) Toelken,—subsp. phyllopodium Toelken, T. rubrovenosus (Dinter) Toelken, T. schaeferanus (Dinter) Toelken, T. similis (Toelken) Toelken, T. singularis (Dyer) Toelken, T. striatus (P. C. Hutch.) Toelken, T. suffultus Bruyns ex Toelken, T. sulphureus (Toelken) Toelken, T. torulosus Toelken, T. tuberosus Toelken, T. ventricosus (Burm.f.) Toelken, T. viridiflorus (Toelken) Toelken, T. wallichii (Harv.) Toelken,—subsp. ecklonianus (Harv.) Toelken.


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