Coleus ruandensis (De Wild.) A. J. Paton, Phytokeys 129: 90. 2019.

≡ Pycnostachys ruandensis De Wild., Pl. Bequaert. 4: 401. 1928. Type: Rwanda, between Kirinda and Lubengera, 6 Jun 1926. W. Robyns 2449 (holotype BR [BR 0000008910424], [BR 0000008909770]; isotype K [K 000405731], P [P 00541261]).

Description.

Paton et al. (2009: 389), Paton et al. (2013: 318), as Pycnostachys ruandensis De Wild.

Distribution.

Uganda, Burundi, Rwanda, DR. Congo and Malawi.

Habitat and ecology.

Rainforest, riparian forest, fallow field, savannah; 900–2460 m elev.

Additional specimens.

DR. Congo, Lacs Edouard et Kivu, Kabare, Ludaha, s. d., Gilon 3 3 (BR); Nya Kaziba, 17 Apr 1952, J. F. Laurent 462 (BR); Haut-Katanga, Upemba, Mbuye-bala, 15 Apr 1948, G. F. de Witte 3748 (BR, K, WAG); Marungu, Kaboto, Apr 1944, L. Dubois 1126 (BR, WAG); Marungu, 3 km W de Kasiki, 12 Jun 1969, S. Lisowski, F. Malaisse, J. - J. Symoens 6147 (POZG).

Rwanda, Murambi-Kivumu, 14 May 1983, F. - X. Ayobangira 1618 (BR).

Burundi, Nyakakaro, 30 Jun 1993, C. Carème s. n. (BR); Mwaro, Mont Mugero, 27 Apr 1966, J. Lewalle 733 (BR, LSHI, MO); Bujumbura, 19 May 1971, J. Lewalle 5733 (BR); Kisozi, 3 Jun 1934, J. B. H. Lejeune 86 (BR, K, WAG); Butare, Mosso, Pont de Musasa, 13 May 1981, M. Reekmans 10273 (BR, US); Kiganda, 24 May 1981, M. Reekmans 10373 (BR, MO, WAG).