Cyperus cataractarum K.Schum ex. Engl., Veg. Erde 9(2): 200 (1908), K. Schum ex. Engl., Veg. Erde 9 (2): 200, 1908

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

publication ID

http://dx.doi.org/10.3897/phytokeys.121.29924

persistent identifier

http://treatment.plazi.org/id/C1DA4C95-8C5E-76E8-6435-AEDCABD10D13

treatment provided by

PhytoKeys by Pensoft

scientific name

Cyperus cataractarum K.Schum ex. Engl., Veg. Erde 9(2): 200 (1908)
status

 

Cyperus cataractarum K.Schum ex. Engl., Veg. Erde 9(2): 200 (1908)  

Pycreus cataractarum   C.B.Clarke, Bot. Jahrb. Syst. 38(2): 132 (1906)

Type.

Cameroon, Bipindi, 1899, G. Zenker 1935 (syntype: BR, K, P, P00573020, WAG).

Description.

Tufted, grass-like leaves forming high sods (up to 30 cm thick cushions); roots forming large fibrous tussocks; stems smoothly glossy; leaves linear, green to dark green; spikelets greenish-white; glumes with a green midrib.

Specimens examined.

27 km from Kribi in Kienké River, 2°52'N, 10°7'E, 27 Jan 1970, J. J. Bos 6168 (YA); Mpoume waterfalls on Nyong River at Makak, 3°28'N, 11°01'E, 01 Jan 1978, J. Lowe 3420 (YA); near Akonetyè village, Mboro waterfalls, 15 Jan 1978, A. Koufani 20 (YA).

Habitat.

Banks, edges and beds of streams and rivers; in rainforest.

Distribution.

Cameroon (Fig. 11 View Figures 11–19 ), Congo, Gabon and Nigeria.

Conservation status in Cameroon.

Cyperus cataractarum   is not listed on http://www.iucnredlist.org nor assessed by Onana and Cheek (2011). The taxon is currently known from 6 localities. The extent of occurrence of this species is about 13,400 km2 and the area of occupancy is about 24 km2. The habitat of C. cataractarum   is being progressively destroyed by plantation development and timber exploitation. Based on these threats, and extent and/or quality of habitat, the species is currently assessed as Vulnerable. IUCN Red List Category: Vulnerable VUB1+2ab (ii, iii).

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Poales

Family

Cyperaceae

Genus

Cyperus

Loc

Cyperus cataractarum K.Schum ex. Engl., Veg. Erde 9(2): 200 (1908)

Kuetegue, Felix, Sonke, Bonaventure & Ameka, Gabriel K. 2019
2019
Loc

Pycreus cataractarum

C. B. Clarke 1906
1906