18. Ledermanniella keayi (G.Taylor) C.Cusset, Adansonia ser . 2, 14(2): 274 (1974)

Inversodicraea keayi G.Taylor; Bull. Brit. Mus. (Nat. Hist.) Bot. 1: 78 (1953)

Type.

Cameroon, Kumbo, Keay FHI 28457 (holotype: K).

Specimens examined.

Cameroon: Banso, Bamenda, Keay FHI 28457 (YA); near Sagbo, Ndop near Bamenda, 1800 m alt., C. D. Adams 11073 (LISC); Kumbo, 1650 m alt., Keay FHI 28457 (K).

Habitat.

River rapids.

Distribution.

Cameroon (Fig. 25).

Conservation status in Cameroon.

Ledermanniella keayi is listed on http://www.iucnredlist.org as Critically Endangered (Diop 2010b). The taxon is known from one locality, restricted to a small area in an agricultural landscape. The extent of occurrence and the area of occupancy are both estimated at 2 km2 each. The earlier assessment is here maintained as Critically Endangered. IUCN Red List Category: Critically Endangered CRB2ab (iii).