Inversodicraea kamerunensis Engl., Veg. Erde 9(3, 1): 274 (1915)

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

10. Inversodicraea kamerunensis Engl., Veg. Erde 9(3, 1): 274 (1915)

Ledermanniella kamerunensis (Engl.) C.Cusset, Adansonia sér. 2, 14(2): 274 (1974).

Type.

Cameroon, Campo, near Dipikar, Aug, Ledermann 440a (YA).

Specimen examined.

Campo River waterfalls, near Dipikar, 00 Aug 1908, Ledermann 440a (YA).

Habitat.

Waterfalls in low altitudes.

Distribution.

Cameroon (Fig. 25 ).

Conservation status in Cameroon.

Inversodicraea kamerunensis is listed on http://www.iucnredlist.org as Vulnerable ( Ghogue 2017c). It was assessed by Onana and Cheek (2011) as Critically Endangered. The species is endemic to Cameroon and known from only the type locality; the species has not been collected since 1908. The extent of occurrence and the area of occupancy are both estimated at 4 km2 each. The main threat at this locality is dam construction on Ntem River. I. kamerunensis is here reassessed and Critically Endangered status maintained. IUCN Red List Category: Critically Endangered CRB1+2ab (ii, 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.