Coleus stuhlmannii (Gürke) A. J. Paton, Phytokeys 129: 101. 2019. ≡ Pycnostachys stuhlmannii Gürke in H. G. A. Engler, Pflanzenw. Ost-Afrikas, C: 345. 1895. Type: Tanzania, Bukoba District: Karagwe, Ngaramo, 6 Feb 1891, F. Stuhlmann 1630 (holotype B destroyed; isotype K [K 000405975] fragment). = Pycnostachys bequaertii De Wild., Contr. Fl. Katanga: 171. & Ann. Soc. Sci. Bruxelles 41 (2): 52. 1921. Type: DR. Congo, Katanga, Shinsenda, J. Bequaert 425 (lectotype BR [BR 0000008910103]; designated by Bramley in Paton et al. [2009]). = Pycnostachys longifolia De Wild., Contr. Fl. Katanga: 172. Ann. Soc. Sci. Bruxelles 41 (2): 55. 1921. Type: DR. Congo, Katanga, Welgelegen, J Bequaert 562 (holotype BR [BR 0000008909787]; isotype K fragment). Description. Paton et al. (2009: 392), Paton et al. (2013: 319), as Pycnostachys stuhlmannii Gürke. Distribution. Kenya to S. Tropical Africa. Habitat and еcology. Marshland, dilungu savannah on moist soil, dambos, on organic soil; 850–1300 m elev. Additional specimens. DR. Congo, Haut-Katanga, Shinsenda, 8 May 1912, J. Bequaert 425 (BR, K fragment); Keyberg, 17 Apr 1957, E. Detilleux 831 (BR); Dikuluwe, 10 May 1957, P. Duvigneaud 3118 P 4 (BRLU), 1.5 km E of Kabiashia, dembo Kandale, 23 May 1969, F. Malaisse 6435 (BR, LSHI, P); Route Lubumbashi-Kasenga, 2 km après Kumanua, 25 May 1985, F. Malaisse & Goetghebeur 1144 (BR, K, P); Kipila, May 1929, P. Quarré 1693 (BR, K, P); Env. Lubumbashi, May 1934, H. Humbert 15906 (BR, P); Kipopo, 17 Apr 1962, A. Schmitz 7700 (BR, K); Tumbwe, dembo de la Kasompa, 30 Apr 1960, J. - J. Symoens 7608 (BR, LSHI). BURUNDI, Lac Nyanza, 27 Jun 1971, J. Lewalle 6050 (BR, K); Kinyinya Mosso, 5 Jun 1981, M. Reekmans 10532 (BR, US, WAG).

Published as part of 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, pp. 71-178 in PhytoKeys 246 on pages 71-178, DOI: 10.3897/phytokeys.246.129476