Coleus maculosus subsp. edulis (Vatke) A. J. Paton, 2019

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

Coleus maculosus subsp. edulis (Vatke) A. J. Paton , Phytokeys 129: 69. 2019.

≡ Coleus edulis Vatke , Linnaea 37: 319. 1872.

≡ Plectranthus edulis (Vatke) Agnew , Upland Kenya Wild Fl.: 640. 1974.

≡ Coleus maculosus subsp. edulis (Vatke) A. J. Paton (2019) 69. Type: Ethiopia (“ Abyssinia ”), near Gaffat, Oct 1863, G. W. Schimper 1212 (holotype B destroyed; isotype BM [ BM 000514932 ], K [ K 000431925 ], [ K 000431923 ]).

≡ Plectranthus punctatus subsp. edulis (Vatke) A. J. Paton , Fl. Trop. E. Afr., Lamiac.: 350. 2009.

= Coleus fimbriatus Lebrun & L. Touss. , Bull. Jard. Bot. État Bruxelles 17: 79. 1943.

≡ Plectranthus fimbriatus (Lebrun & L. Touss.) Troupin & Ayob. , Bull. Jard. Bot. Natl. Belg. 55: 299. 1985. Type: DR. Congo, Mt Mushumangabo, Aug 1937, J. Lebrun 7163 (holotype BR [ BR 0000006262945 ], [ BR 0000006263270 ]).

Description.

Paton et al. (2009: 350), as Plectranthus punctatus subsp. edulis (Vatke) A. J. Paton.

Distribution.

Ethiopia, Kenya, Uganda, Tanzania, Burundi, Rwanda and DR. Congo.

Habitat and ecology.

Mountain forest, savannah, fallow field, marshland, swamp, river banks, riparian forest; 1600–3100 m elev.

Additional specimens.

DR. Congo, Lac Albert, Nioka, 27 Oct 1934, A. P. De Craene 229 * ( BR, WAG); Lacs Edouard et Kivu, Tshirunge, 5 Oct 1914, J. Bequaert 5997 ( BR); Parc National Albert [Virunga], volcan Niamlagyra, aux environs de Mushumangabo, 17 Jan 1942, R. Germain 1258 ( BR); W du Lac Kivu, Feb-Mar 1929, H. Humbert 7527 * & 7528 ( BR); Mont Kahuzi, 28 May 1960, Meurillon 953 * ( BR, LWI); Haut-Katanga, Parc National de l’Upemba. Lubanga, 17 Apr 1948, G. F. de Witte 03726 ( BR).

Rwanda, Mukono, Byumba, Dec 1932, A. Becquet 189 * ( BR); Rwasenkoko, route Butare-Cyangugu, km 67, 1 Mar 1980, D. Bridson 468 ( BR, K); Gikongoro, Kivu, Rubyiro, 16 Aug 1999, C. Ewango & Ngayabahiga 2195 * ( BR, GIS, M, MO, WAG); Route Astrida [Butare] - Shangugu, km 65, 7 Mar 1958, M. Reynders 239 ( BR); Route Bukavu-Astrida [Butare], env. Uwinka, colline Bunyereri, 7 Aug 1959, G. Troupin 10566 * ( BR).

Burundi, Muramvya, Mont Manga Mugongo, 4 Jun 1966, J. Lewalle 883 ( BR); Muramvya, Nyabigonde, 3 Apr 1966, J. Lewalle 642 * ( BR); Nyakirwa, 21 Jan 1977, M. Reekmans 5647 * ( BR); Province: Ngozi, Commune: Mukora (Rwegura), 27 Apr 1977, M. Reekmans 6046 ( BR); Ijenda, 8 May 1981, M. Reekmans 10137 * ( BR, WAG).

Note.

Subsp. edulis is variable in petiole length and blade shape; morphs with subsessile leaves and oblong-elliptic blade up to 14 cm long (specimens indicated “ * ” hereabove) correspond to the type of C. edulis ; morphs with ovate, petiolate leaves correspond to the type of C. fimbriatus .