Collections made by Giess

Records: 14

The following is a list of the collections made by Giess in species name order. The records are of species which occur in Rwanda (either as a native/naturalised species or as a cultivated species).

Click on a column heading to sort the entries in that column

NoSpeciesRecord dateRecorder(s)Coll.Det.Conf.HerbariaHabitatLocationLoc code Outing codePlanted code Country QDSGrid ref.FZ DivAlt. (m)NotesLatLongLoc Acc Code
95044 Aerva leucura16 Jun 1971JWH Giess
JWH Giess 11425 JWH Giess WIND
Caprivi: At Dikundu (19,2 kilometres south of Andara] on harvested mahango field.0Namibia (Caprivi Strip)1821A20

60 cm high; Herb; Notes: Annual herb. Rich, grey-black soil.

-18.12500021.3750002
95057 Ansellia africana10 Nov 1965JWH Giess
JWH Giess 8237 WIND
Kunene, Opuwo District: Fruiting specimen of WG & H.J. Wiss 3270 - Live plants from Otjihangasema - Epupa, October 1960. Andara.0Namibia (Caprivi Strip)1821A2 0

Notes: Lower lip pointed, boat shaped folded and margin very crenulate. Flower coloue intensier that at Andara. Plants fruiting in hort WG, Windhoek.

2
95061 Asparagus racemosus20 Jun 1971JWH Giess
JWH Giess 11460 AA Mauve WIND
Caprivi: In omuramba at Dikundu (19,2 south of Andara).0Namibia (Caprivi Strip)1821A20

Climber, more than 1 m high winding in bush. Petals very narrow (0,5 mm) white with reddish veins. Sweet scent. Fruit up to 7 mm diameter, more or less inconspicuously tri-lobed, 2 lobes not completely developed.

-18.12500021.3750002
95104 Commelina erecta5 Apr 1978JWH Giess
JWH Giess 15063 JWH Giess WIND
Okavango, Rundu District: Andara.0Namibia (Caprivi Strip)1821A20

Notes: Prostrate to upright. Shoots to 50 cm long. Sheaths often very small in leaf axils. Terminal sheaths round, boat-like. Flowers blue. Live plant together with Eulophobia sp. from Andara. Flowers in garden of W. Giess, Windhoek. Corr. nom.: SB 8.2003.

-18.12500021.3750002
95122 Cyclosorus interruptus22 Jun 1971JWH Giess
JWH Giess 11526 JWH Giess WIND
Okavango, Rundu District: Andara. On riverbank of side-arm of Okavango at Andara Mission Station.0Namibia (Caprivi Strip)1821A20

pteridophyte; Notes: Fronds up to 60 cm long. Growing in or nearly in water. Common. Corr. nom.: E. Klaassen 23.07.07

-18.12500021.3750002
95123 Cymbopogon caesius subsp. caesius14 Jun 1971JWH Giess
JWH Giess 11377 JWH Giess WIND
Caprivi: In omuramba Dikundu at Dikubdu, 19.5 km south of Andara.0Namibia (Caprivi Strip)1821A20

Graminoid; Notes: Tufted grass up to 1.20 m high. Very common.

-18.12500021.3750002
95147 Distephanus divaricatus14 Jun 1971JWH Giess
JWH Giess 11373 WIND
Caprivi: At Dikundu, 19,5 km south of Andara.0Namibia (Caprivi Strip)1821A20

4 m high; Tree; Notes: Dry woodland. Small tree, 4 m high. Bark grey, very corky.

-18.12500021.3750002
95196 Heteropogon contortus16 Jun 1971JWH Giess
JWH Giess 11433 JWH Giess WIND
Caprivi: At Dikundu (19.2 km south of Andara) on harvested mahangu field.0Namibia (Caprivi Strip)1821A20

Graminoid; Notes: Heavy grey-black clay soil.

-18.12500021.3750002
95205 Hyparrhenia filipendula16 Jun 1971JWH Giess
JWH Giess 11440 HH Kolberg WIND
Caprivi: In omuramba at Dikundu (19.2 km south of Andara).0Namibia (Caprivi Strip)1821A20

Graminoid; Notes: Up to 1.30 m high tufted grass in small stands.

-18.12500021.3750002
95207 Hyperthelia dissoluta16 Jun 1971JWH Giess
JWH Giess 11409 JWH Giess WIND
Clay, grey-black ground.Caprivi: At Dikundu (19.2 km south of Andara, on haversted mahangofield).0Namibia (Caprivi Strip)1821A20

Perennial.

-18.12500021.3750002
95208 Imperata cylindrica15 Jun 1971JWH Giess
JWH Giess 11392 JWH Giess WIND
Caprivi: At Dikundu, 19.5 km south of Andara.0Namibia (Caprivi Strip)1821A20

Graminoid; Notes: Dry woodland.

-18.12500021.3750002
95288 Piliostigma thonningii16 Jun 1971JWH Giess
JWH Giess 11415 JWH Giess WIND
Caprivi: Andara. At Dikundu, 19.2 km South of Andara on ploughed Mahango field. On grey-black loamy soil.0Namibia (Caprivi Strip)1821A20

Notes: Multi-stemmed plant, up to 1.80 m high. Shoots from tree stump.

-18.12500021.3750002
95312 Scadoxus multiflorus subsp. multiflorus1 Nov 1978JWH Giess
JWH Giess 13606 DA Snijman WIND
Caprivi, Katima Mulilo: Flowers in garden of W.Giess, Windhoek.0Namibia (Caprivi Strip)1821A2 0

Peduncle 15 cm high, 3/4 without spots. Flowers bright red.

2
95328 Striga asiatica20 Jun 1971JWH Giess
JWH Giess 11472 JWH Giess WIND
Caprivi: Andara. In grass stand of the Omuramba at Dikundu (19.2 km south of Andara).0Namibia (Caprivi Strip)1821A20

Herb; Notes: Small, up to 15 cm high,herb. Flowers very small, bright vermilion.Quoted in: Kew Bull. 41(1): 207

-18.12500021.3750002


Copyright: The Rwanda flora team, 2024-25

The Rwanda flora team (2025). Flora of Rwanda: Collections made by Giess.
https://www.rwandaflora.com/speciesdata/utilities/utility-display-collections-by-person.php?person_id=1114, retrieved 13 December 2025

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