Winklerella dichotoma Engl., Bot. Jahrb. Syst. 38(1): 97 (1905)

Kuetegue, Felix, Sonke, Bonaventure & Ameka, Gabriel K., 2019, A checklist of rheophytes of Cameroon, PhytoKeys 121, pp. 81-131 : 81

42. Winklerella dichotoma Engl., Bot. Jahrb. Syst. 38(1): 97 (1905)

Type.

Cameroon, Edea, 30 Jan 1951, Winkler 900 (holotype: B).

Specimens examined.

Edea waterfall, Winkler 900 (B); Edea waterfall, 30 Jan 1951, Zehnder 271, 275, 277 (BR, ZT).

Habitat.

River rapids and waterfalls.

Distribution.

Cameroon (Fig. 25 ).

Conservation status in Cameroon.

Winklerella dichotoma is list on http://www.iucnredlist.org as Critically Endangered ( Ghogue 2010r). The species is endemic to Cameroon and only known from the Edea waterfalls on the Sanaga River. There is a hydropower dam built on the river at the collecting locality of the species. The area of occupancy and extent of occurrence are estimated at 2 km2 each. The earlier assessment of Ghogue (2010r) as Critically Endangered is maintained. IUCN Red List Category: Critically Endangered B1ab (iii) +2ab (iii).

Figures

Figures 20 - 25. 20 Ixora inundata Hiern 21 Virectaria angustifolia (Hiern) Bremek 22 Virectaria salicoides (C. H. Wright) Bremek 23 Deinbollia angustifolia D. W. Thomas 24 Deinbollia saligna Keay 25 Podostemaceae distribution.