Coleus esculentus var. kolweziensis Meerts & A. J. Paton, 2024

Meerts, Pierre J. & Paton, Alan J., 2024, The genus Coleus (Lamiaceae) in Central Africa (Democratic Republic of the Congo, Rwanda, Burundi), with the description of 15 new species, PhytoKeys 246, pp. 71-178 : 71-178

publication ID

https://doi.org/ 10.3897/phytokeys.246.129476

DOI

https://doi.org/10.5281/zenodo.13629793

persistent identifier

https://treatment.plazi.org/id/0AFC2799-8339-54CD-A12E-FA64A538A1D5

treatment provided by

PhytoKeys by Pensoft

scientific name

Coleus esculentus var. kolweziensis Meerts & A. J. Paton
status

var. nov.

Coleus esculentus var. kolweziensis Meerts & A. J. Paton var. nov.

Fig. 4 A – C View Figure 4

Type.

DR. Congo, Haut-Katanga, Piste Nzilo-Kyamasumba , 10 ° 30 ' 29 " S, 25 ° 26 ' 12 " E, 1435 m elev., 1 Mar 1987, M. Schaijes 3354 ( BR [ BR 0000021718298 ], photos) GoogleMaps .

Diagnosis.

Differs from the type in the following combination of traits: thyrses borne on pairs of ascending branches, at the 2–5 upper nodes of the stem, forming a panicle; bracts broadly ovate-elliptic, ca. 5 × 3 mm, 5 - veined; rhizome creeping; stem leafy at flowering; leaves narrowly obovate, <15 mm wide, pubescent on veins beneath, very shortly pubescent above.

Etymology.

All collections of this variety originate from the region of Kolwezi in western Upper Katanga.

Distribution.

Endemic to SE DR. Congo (Haut-Katanga).

Habitat and ecology.

Steppic savannah, dry woodland, rocky slopes; 1300–1475 m elev.

Additional specimens.

DR. Congo, Haut-Katanga, Env. de Sakabinda, sources de la Kengere, 9 Apr 1971, S. Lisowski 23304 ( POZG); Env. Kolwezi, près du village Muilu, 8 Apr 1971, S. Lisowski 23703 ( POZG); without locality, 1937, Salésiens 1264 ( BR); 19 km SSE of Kolwezi, 13 Mar 1983, M. Schaijes 1873 ( BR); Piste Kolwezi-Musokantanda (Plateau de la Manika), 10 ° 48 ' 42 " S, 25 ° 15 ' 59 " E, 19 Feb 1989, M. Schaijes 4305 ( BR);

Note.

This new variety has a restricted distribution range in the region of Kolwezi.

BR

Embrapa Agrobiology Diazothrophic Microbial Culture Collection

POZG

Adam Mickiewicz University

M

Botanische Staatssammlung München

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Lamiales

Family

Lamiaceae

Genus

Coleus