Coleus globosus A. J. Paton

Coleus globosus (Ryding) A. J. Paton, Phytokeys 129: 50. 2019. ≡ Plectranthus globosus Ryding, Bull. Jard. Bot. Natl. Belg. 66: 101. 1997. Type: DR. Congo, Haut-Katanga, Kundelungu Plateau, 20 Mar 1971, S. Lisowski 23152 (holotype POZG [POZG-V- 0100131], C photo). Description. Herb, probably perennial, 0.30–0.40 m high. Stem quadrangular, pubescent, with thin patent hairs and orange sessile glands. Leaves sessile, ascending to erect, narrowly elliptic to narrowly ovate, the lowermost ones broadly elliptic, 3.0–4.0 × 0.6–0.9 cm, apex obtuse to subacute, base narrowly rounded to subcordate at base, sparsely pubescent, with eglandular hairs on lower surface of veins and orange-red sessile glands on both surfaces, margin shallowly crenate to subentire, ± revolute, secondary veins diverging at a very narrow angle and distally subparallel to the margin. Inflorescence unbranched, of 1 or 2 widely spaced subglobose verticils; bracts broadly ovate ca. 6 × 6 mm, apex acuminate, deciduous; cymes 12–20 - flowered; pedicel ca. 1.5 mm long; flower: fruiting calyx only slightly zygomorphic, glandular, pubescent, lobes subequal, ovate-triangular, apex subacute to obtuse, upper lobe slightly decurrent; corolla 12–14 mm long, tube 7–8 mm long, upper lip narrow, 4 - lobed, with narrow lateral lobes, lower lip cucullate, 4–5 mm long, stamens connate over ca. 0.5 mm, anthers ca. 0.5 mm diam., with orange sessile glands. Nutlets ± 1.3 × 1.1 mm, dark brown, smooth, glossy. Distribution. Endemic of SE DR. Congo (Haut-Katanga, Kundelungu Plateau). Habitat and ecology. Steppic savannah on highlands, on moist soil, riverbanks, often near ponds; 1500–1700 m elev. Additional specimens. DR. Congo, Haut-Katanga, Kundelungu, about 5 km NNE of the western source of Lutshipuka, 19 Feb 1969, S. Lisowski, F. Malaisse & J. - J. Symoens 2669 (POZG); about 6 km WNW of the western source of Lutshipuka, 25 Mar 1969, S. Lisowski, F. Malaisse & J. - J. Symoens 3793 (POZG); Mont Kabwe, 28 Mar 1971, S. Lisowski, F. Malaisse & J. - J. Symoens 23610 (POZG).