Records determined by Klaassen

Determinations: 24

The following is a list of the records determined by Klaassen in species name order.

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NoSpeciesRecord dateRecorder(s)Coll.Det.Conf.HerbariaHabitatLocationLoc code(s) Outing codePlanted code Country QDSGrid ref.FZ DivAlt. (m)NotesLatLongLoc Acc Code
93312Cenchrus ciliaris21 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1376 ES Klaassen WIND
Okavango, Rundu District: Omega III, in omuramba.0Namibia (Caprivi Strip)1722D41031

1 m high; grass; Notes: Tufted, rhizomatous, 1 m high grass. Leaves coarse to the touch, ovate, tapering to a fine point, curling when dry. Ligule a fringe of hairs. Inflorescence a terminal raceme, straw coloured. Occasional, in full sun, on termite mound.

-17.84972022.9069405
93313Chloris virgata21 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1384 ES Klaassen WIND
Okavango, Rundu District: Omega III, in omuramba.0Namibia (Caprivi Strip)1722D41013

1 m high; grass; Notes: Annual, 1 m high grass. Nodes red coloured. Leaves with midrib red coloured, margin finely serrate. Inflorescence a terminal raceme with hairs at the point of attachment of raceme branches. Uncommon, in moist clay, in full sun.

-17.85694022.9105605
94999Cyperus esculentus19 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1301 ES Klaassen WIND
Okavango, Rundu District: Rundu - Divundu main road0Namibia (Caprivi Strip)1821A11092

80 cm high; sedge; Notes: Bulbous, 80 cm high sedge. Culms triangular. Inflorescence terminal, subtended by three leafy bracts, branched. Common, in sandy soil in full sun.

-18.00111021.0591702
93086Dactyloctenium aegyptium20 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1348 ES Klaassen WIND
Okavango, Rundu District: Bagani to Kongola.0Namibia (Caprivi Strip)1722C31062

80 cm high; grass; Notes: Prostrate, 80 cm high grass. Leaves ovate, margin serrate, base cordate. Ligule a fringed membrane. Inflorescence a terminal, digitate raceme. Spikelet secund. Converging point of inflorescence branches hairy. Uncommon.

-17.98611022.1033305
93891Echinochloa colona12 Feb 1969B de Winter
B de Winter 9132 ES Klaassen WIND
In water of small pan in open grassland. Sandy, fairly humus rich soil.Caprivi: 8 miles south of northern border on firebreak 18 west of Katima Mulilo, Caprivi.0Namibia (Caprivi Strip)1724C10

Erect perennial.

-17.62500024.1250005
94837Echinochloa colona15 Jan 1959DJB Killick
OA Leistner
DJB Killick OA Leistner 3386 L Fish ES Klaassen WIND
Caprivi: Mpilila Island.2080Namibia (Caprivi Strip)1725C3930

Graminoid; Notes: Marsh; locally common. Culms erect. Altitude: about 3000 feet.

-17.78330025.2075005
93828Eragrostis patens24 May 2000CJH Hines
CJH Hines 1106 ES Klaassen WIND
Caprivi: Nukwa area on western side of the, state forest area. Eastern Caprivi. Near the Nukwa army base.0Namibia (Caprivi Strip)1723D3960

Graminoid; Notes: Loamy sands in an area dominated by Acacia erioloba with a well developed understory of shrubs and grasses. Grass. Annual. Up to 30 cm high. Very common in disturbed areas along the road. Most of the plants were dry and finished flowering. Few plants still green.

-17.93778023.6183305
95398Heteropogon contortus20 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1334 ES Klaassen WIND
Okavango, Rundu District: Bagani to Kongola.0Namibia (Caprivi Strip)1822A11045

80 cm high; grass; Notes: Tufted, 80 cm high grass. Leaves linear, blue-green. Ligule a fringe of hairs. Inflorescence a spike. Awns dark brown to black, twisted. Occasional, in gravel, in full sun along roadverge.

-18.04278022.0030602
93437Heteropogon contortus23 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1419 ES Klaassen WIND
Okavango, Rundu District: Road from Kongola Airstrip, in a westerly direction.0Namibia (Caprivi Strip)1723C11010

grass; Notes: Tufted grass. Leaves folded in the middle. Ligule a fringe of hairs. Inflorescence a terminal spike. Spikelet awns black, twisted. Occasional.

-17.74750023.1319405
95451Heteropogon contortus24 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1439 ES Klaassen WIND
Okavango, Rundu District: Road from Omega III to Divundu.0Namibia (Caprivi Strip)1822A21021

990 cm high; grass; Notes: Tufted, yellow-green, 90 cm high grass. Dried leaves red tinged. Inflorescence terminal. Spikelet awns twisted. Occasional, in full sun, in gravel along roadside.

-18.00778022.4219402
93355Heteropogon contortus21 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1373 ES Klaassen WIND
Okavango, Rundu District: Omega III, in omuramba.0Namibia (Caprivi Strip)1722D4997

1 m high; grass; Notes: Tufted, 1 m high, rhizomatous grass. Leaves folded in middle, ligule a fringe of hairs. Inflorescence a terminal spike. Spikelet awns brown, twisted. Common.

-17.84639022.9063905
94681Microchloa kunthii20 Dec 1958DJB Killick
OA Leistner
DJB Killick OA Leistner 3002 ES Klaassen WIND
Caprivi: Ngoma area.0Namibia (Caprivi Strip)1724D3929

Graminoid; Notes: Erect culms, 6 - 12 inches. Locally abundant in Mopane woodland 9 miles north of Ngoma.

-17.87500024.6250004
95246Microlepia speluncae6 Oct 1988CJ Ward
CJH Hines
CJ Ward 10357 ES Klaassen WIND
Caprivi: Kavango River: Andara.0Namibia (Caprivi Strip)1821A21020

fern; Notes: Substrate: soil and boulders. Soil: alluvial, sand/silt and humus. Exposure; shade. Lithology: (soil) and quartzite. Slope: steep. On lower vertical bank of old canal. Plant features: Fronds up to 110 cm tall. Occasional.

0.0000000.0000002
93913Panicum heterostachyum3 May 2000CJH Hines
CJH Hines 1102 ES Klaassen WIND
Caprivi: Sachinga Research Station. 40 km west of Katima Mulilo.0Namibia (Caprivi Strip)1724C10

Graminoid; Notes: In sandy soil on verge of main road into the research station. Leached Kalahari sands, pale grey. Area dominated by Baikiaea plurijuga with a dense understory of shrubs. Grass layer sparse. Grass up to 50 cm high. Common in shade.

-17.62500024.1250005
93449Perotis patens23 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1412 ES Klaassen WIND
Okavango, Rundu District: Road from Kongola Airstrip, in a westerly direction.0Namibia (Caprivi Strip)1723C1998

90 cm high; grass; Notes: Annual, 90 cm high grass. Leaves ovate, base cordate, clasping stem, purple tinged, margin serrate. Inflorescence a terminal raceme. Spikelet bristles purple tinged. Common, in sandy soil, in full sun.

-17.74972023.1594405
93915Perotis patens3 May 2000CJH Hines
CJH Hines 1103 ES Klaassen WIND
Caprivi: Sachinga Research Station. 40 km west of Katima Mulilo.0Namibia (Caprivi Strip)1724C10

Graminoid; Notes: In sandy soil on verge of main road into the research station. Leached Kalahari sands, pale grey. Area dominated by Baikiaea plurijuga with a dense understory of shrubs. Grass layer sparse. Grass. Up to 30 cm high. Common.

-17.62500024.1250005
95011Perotis patens19 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1305 ES Klaassen WIND
Okavango, Rundu District: Rundu - Divundu main road0Namibia (Caprivi Strip)1821A11092

90 cm high; grass; Notes: Annual, 90 cm high grass. Leaves ovate, margin ciliate. Ligule a membrane. Inflorescence a terminal spike, awns purple, soft. Occasional, in full sun, in sandy soil.

-18.00111021.0591702
94538Setaria pumila10 Feb 1988GL Maggs
GL Maggs 218 ES Klaassen WIND
Caprivi: 2 km north of Bukalo on road to Katima Mulilo - grassy malapo.0Namibia (Caprivi Strip)1724D10

Notes: Erect, tufted, annual grass, up to 1 m when in flower. Culms erect to slightly geniculate, yellow-green but conspicuously purple-tinted at nodes, glabrous, slender. Leaf blade bright green, gradually tapering over a length of 12 - 20 cm, soft and tender, glabrous, normally expanded, rounded basally at collar. Ligule a band of dense, white, silky hairs, 1 mm high. Leaf sheath 6 cm long, glabrous, tightly clasping around culm. Inflorescence a compact spike, 40 - 70 mm long and 5 mm wide, borne on very slender erect, glabrous peduncle, up to 50 cm long. Spikelets densely arranged, ellipsoid, 2 mm long, without awn, but interspersed by long, stiff hairs, yellow-green but rapidly discolouring to dark purple; glumes pale green to pale pink-tinted.

-17.62500024.6250004
93507Setaria sphacelata31 Dec 1958DJB Killick
OA Leistner
DJB Killick OA Leistner 3223 ES Klaassen WIND
Caprivi: Singalamwe.0Namibia (Caprivi Strip)1723C21005

Graminoid. Erect culms.

-17.62500023.3750005
95670Setaria sphacelata15 Jan 1959DJB Killick
OA Leistner
DJB Killick OA Leistner 3412 ES Klaassen WIND
Dominant in marshes and frequent on riverbank. (Chobe River).Caprivi: Kahumba Island.0Namibia (Caprivi Strip)1823B30

Graminoid. Erect culms, 4 - 5 feet.

-18.37500023.6250002
93397Themeda triandra21 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1378 ES Klaassen WIND
Okavango, Rundu District: Omega III, in omuramba.0Namibia (Caprivi Strip)1722D4987

grass; Notes: Tufted, 2 m high grass. Ligule a fringed membrane. Leaf margin serrate. Inflorescence clustered. Common.

-17.85111022.8994405
95529Themeda triandra22 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1398 ES Klaassen WIND
Okavango, Rundu District: Caprivi/Botswana border.0Namibia (Caprivi Strip)1822B2992

1 m high; grass; Notes: Tufted, 1 m high grass. Culms red tinged. Young growth softly pubescent. Ligule a membrane. Spikelets red-brown coloured when mature. Common, in damp clay soil of omuramba in full sun.

-18.02694022.9650002
95417Tragus berteronianus25 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1450 ES Klaassen WIND
Okavango, Rundu District: Track to Ncaute, from Mashare to Rundu.0Namibia (Caprivi Strip)1822A11106

15 cm high; grass; Notes: Annual, 15 cm high grass. Leaves ovate, base cordate, margin ciliate. Inflorescence a terminal spike. Spikelets covered with soft, hooked spines. Common, next to field, in moist sandy soil.

-18.00500022.0750002
95471Tragus berteronianus24 Jan 2005S Bartsch
MM Hochobes
S Kruger
ES Klaassen
D Lutombi
ES Klaassen 1437 ES Klaassen WIND
Okavango, Rundu District: Road from Omega III to Divundu.0Namibia (Caprivi Strip)1822A21021

40 cm high; grass; Notes: Annual, 40 cm high grass. Leaves ovate, base cordate, margin cilliate. Inflorescence a terminal raceme. Spikelets covered with soft hooked spines. Common, in sandy soil, in full sun.

-18.00778022.4219402


Copyright: The Rwanda flora team, 2024-25

The Rwanda flora team (2025). Flora of Rwanda: Records determined by Klaassen.
https://www.rwandaflora.com/speciesdata/utilities/utility-display-determinations-by-person.php?person_id=1102, retrieved 5 December 2025

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