Dracaena spathulata Byng & Christenhusz (2018: 66) subsp. sudwallensis ( Webb 2020: 21 ) Takawira-Nyenya & Thiede, 2021

Takawira-Nyenya, Ratidzayi, Thiede, Joachim & Mucina, Ladislav, 2021, New nomenclatural and taxonomic adjustments in Dracaena (Asparagaceae), Phytotaxa 524 (4), pp. 293-300 : 295

publication ID

https://doi.org/ 10.11646/phytotaxa.524.4.5

DOI

https://doi.org/10.5281/zenodo.5692263

persistent identifier

https://treatment.plazi.org/id/6131C40D-FF8F-FFBB-FF1B-EB17FE3CF88E

treatment provided by

Plazi

scientific name

Dracaena spathulata Byng & Christenhusz (2018: 66) subsp. sudwallensis ( Webb 2020: 21 ) Takawira-Nyenya & Thiede
status

comb. nov.

10. Dracaena spathulata Byng & Christenhusz (2018: 66) subsp. sudwallensis ( Webb 2020: 21) Takawira-Nyenya & Thiede comb. nov.

Basionym:— Sansevieria concinna subsp. sudwallensis R.H.Webb in Sansevieria 43: 21 (2020).

Type:—[ex cult. R. H. Webb, USA, Arizona, Tucson, (date of preservation not indicated).] SOUTH AFRICA. Mpumalanga Province: near Sudwalla Caves, lat. 25.369852° S, long. 30.699814° E, likely in deep forest, elev. 1025 m, sine dato, Muller s.n. (holotype MO GoogleMaps n.v.).

Note:— Dracaena spathulata is a replacement name for Sansevieria concinna due to the earlier D. concinna Kunth (1850: 8) . The name D. spathulata has been used earlier, but in the synonymy of D. ovata Ker Gawler (1809 : t. 1179) only by Koch (1861: 398) and by Regel (1877: 144) and thus remained a name of garden origin without status (International Code of Nomenclature [ICN] Article 38.1; Turland et al. 2018) as mentioned by Bos (1984: 92). In the protologue, Webb (2020: 21) erroneously wrote “ Sansevieria concinna subsp. sudwallensis R.H. Webb var. nov. ” instead of “ Sansevieria concinna subsp. sudwallensis R.H. Webb sub sp. nov. ” (the underlining is ours). However, since the main heading reads “a new subspecies” ( Webb 2020: 19), and Webb further writes, after “ Sansevieria concinna subsp. sudwallensis R.H. Webb var. nov. ”, “This subspecies …”, we have no doubt that he intended to publish the new taxon at subspecific rank.

R

Departamento de Geologia, Universidad de Chile

H

University of Helsinki

MO

Missouri Botanical Garden

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Asparagales

Family

Asparagaceae

Genus

Dracaena

Loc

Dracaena spathulata Byng & Christenhusz (2018: 66) subsp. sudwallensis ( Webb 2020: 21 ) Takawira-Nyenya & Thiede

Takawira-Nyenya, Ratidzayi, Thiede, Joachim & Mucina, Ladislav 2021
2021
Loc

Sansevieria concinna subsp. sudwallensis R.H.Webb

R. H. Webb 2020: 21
2020
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