Coleus prittwitzii (Perkins) A. J. Paton, Phytokeys 129: 86. 2019.

≡ Pycnostachys prittwitzii Perkins, Notizbl. Bot. Gart. Berlin-Dahlem 8: 68. 1921. Type: Tanzania, Iringa District, Ndembera flood plain, near Gominyi, 2 Aug 1901, G. von Prittwitz 28 (holotype B destroyed; isotype K [K 000405965] fragment).

Description.

Paton et al. (2009: 398), Paton et al. (2013: 324), as Pycnostachys prittwitzii Perkins.

Distribution.

SW Tanzania to N Zambia.

Habitat and ecology.

Savannah on moist soil; ca. 1200 m elev.

Additional specimens.

Burundi, Mutara, Mosso, 12 Aug 1952, G. Michel 3686 (BR, K); Kiofi, Mosso, 16 Sep 1952, G. Michel 3907 (BR).

Note.

The two cited specimens differ from other materials of C. prittwitzii in having opposite (not ternate), broader, leaves and shorter inflorescence; they could represent a different taxon.