Records determined by Gereau

Determinations: 36

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

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

NoSpeciesRecord dateRecorder(s)Coll.Det.Conf.HerbariaHabitatLocationLoc code(s) Outing codePlanted code Country QDSGrid ref.FZ DivAlt. (m)NotesLatLongLoc Acc Code
80725Acacia gerrardii var. gerrardii4 Nov 1972DB Fanshawe
DB Fanshawe 2450 RE Gereau MO
Lusaka District; 8 miles from Chilanga along road to Kafue township.0Zambia1528C1C1022

Small tree, c. 6 m high, profusely flowering. Flrs white to pale yellow. Found on remnants of miombo wiidland on roadside in farming area.

-15.66666728.2333335
80724Acacia gerrardii var. gerrardii15 Jun 1957A Angus
A Angus 1630 RE Gereau MO
In Acacia-Albizzia-Terminalia-Lonchocarpus scattered tree-tall grass woodland on red clay loam overlying limestone.Mt. Makulu Research Station near Chilanga. 1510Zambia1528C2C0

Tree 20 ft., rounded crown.

-15.60000028.2833334
80731Acacia gerrardii var. gerrardii1 Sep 1959 RE Gereau MO
Barotseland: Inuaha and Sinjembele0Zambia1723A4B0

Habitat: River bank

-17.31666723.3333335
80729Acacia gerrardii var. gerrardii24 Jan 1957P Simwanda
P Simwanda 89 RE Gereau MO
Bombretium Acacia woodlandMount Makulu Research Station, 10 miles S. Rusaka.1510Zambia1528C2C0

Tree 25 ft high, flat topped, flowers white, fragrant

-15.56666728.2833335
80728Acacia gerrardii var. gerrardii12 Nov 1966RM Lawton
RM Lawton 1168 RE Gereau MO
Associates with A. polycantha, conbetum Sp. Entada PilistigimaZizyphie-Lusaka-Chikupi Road. 0Zambia1528C1C0

Tree, 20 feet, old bark red and fissured. Pairs of large thorns persistant, also pairs of short thorns. Heads of white flower-Acacia SP.

-15.53333328.1833335
80727Acacia gerrardii var. gerrardii31 Dec 1972DB Fanshawe
DB Fanshawe 3736 RE Gereau MO
Along roadFeira District; 25 km from Feira along road to Katondwe Mission.0Zambia1530A4C400

Large tree, c. 12 m high with spreading, more or less umbrella-shaped crown. Flrs cream. Mopane woodland.

-15.40000030.3166675
80726Acacia gerrardii var. gerrardii7 Nov 1972DB Fanshawe
DB Fanshawe 2470 RE Gereau MO
Lusaka, University of Zambia campus.0Zambia1528A4C1300

c. 9 m high tree with short straight stem and roundish crown, just outside Biology Building, UNZA. Spines inconspicuous, flrs cream.

-15.41666728.2833335
80768Acacia polyacantha subsp. campylacantha26 May 1994DK Harder
B Luwiika
CN Nkhoma
HH Schmidt
DK Harder B Luwiika CN Nkhoma HH Schmidt 3242 RE Gereau MO
Collections at turn out along roadside, in steep woodland and in valley bottoms with seasonal water. In Fungwe National ForestIsoka District; ca. 84 km E-SE of intersection of Mpika-Nakonde Highway (Great North Hwy.) on road to (RD72). Connecting to Muyombe (M14), In Fungwe National Forest, # 429. 0Zambia1033A3N1050

Tree, frequent, 4-5 m tall with grey-beige bark; nectaries above pulvini black; pods deep green with black hairs.

-10.37583333.1475005
80769Acacia polyacantha subsp. campylacantha17 Feb 1995DK Harder
B Luwiika
MM Nawa
NB Zimba
DK Harder B Luwiika MM Nawa NB Zimba 69 RE Gereau B Luwiika MO
Collecting from rock outcrop in Jirundu plains/swampSolwezi District; Jirundu National Forestry Reserve (Botanical Reserve). 95 km E of Solwezi/Mwinilunga Road, near the Kambizhi Primary School.0Zambia1125C4W1470

Tree; to 7 m; trunk and stems grey-brown; leaves compound, thin, dark green; pods thin, green.

-11.91250025.4861115
80772Acacia sieberiana var. woodii13 Jun 1957A Angus
A Angus 1626 RE Gereau MO
Mt. Makulu Research Station near Chilanga.1510Zambia1528C1C0

Tree 30 ft. high. Upper bark yellowish, bole more or less smooth. Old trees have rough bark, deeply longitudinally furrowed.

-15.56666728.2333335
80773Acacia sieberiana var. woodii19 Oct 1960RC Dening
RC Dening 55 RE Gereau MO
River bank.Kafue River, near Kafue. 0Zambia1528C3S0

Medium open tree, very thorny, flowers white, appearing with leaves. Sepals green, petals green, filaments white.

-15.76666728.1833335
80774Acacia sieberiana var. woodii10 Sep 1972AK Strid
AK Strid 2121 RE Gereau MO
Along roadMazabuka District; 4 mi. from Kafue Gorge hydroelectric power station along road to Kafue township.0Zambia1528C4S1200

Much branched, ca. 10 m high tree. Spines straight, 5-7 cm long. New leaves just emerging.

-15.78333328.2666675
80775Acacia sieberiana var. woodii28 Sep 1972AK Strid
AK Strid 2200 RE Gereau MO
Lusaka District; Lusaka, University of Zambia campus.0Zambia1528A4C1300

12-15 high tree with dense, more or less umbrella-shaped crown. Flowers pale yellow.

-15.40000028.3333335
80776Acacia sieberiana var. woodii4 Oct 1972AK Strid
AK Strid 2274 RE Gereau MO
Lusaka/Mumbwa District; Iron ore outcrop at Sanje c 37 km WSW Lusaka.0Zambia1527D2C1075

10-15 m high tree. Flowers white to cream.

-15.53333327.9666675
80777Acacia sieberiana var. woodii6 Oct 1972AK Strid
AK Strid 2299 RE Gereau MO
Forest ReserveKabwe Rural District; Chisamba Forest Reserve, near the Forest Station (C 38 km N Lusaka).0Zambia1528A2C1200

Ca. 15 m high tree with roundish crown and straight, powerful spines. Flowers white to cream.

-15.01000028.3000004
80778Acacia sieberiana var. woodii15 Oct 1972AK Strid
AK Strid 2329 RE Gereau MO
Lusaka District; Chalimbana area 3 km SE Annisdale (ca. 20 km E Lusaka).0Zambia1528B3C1250

Large, more or less flat-topped tree ca. 15 m high, unarmed or with few long, straight spines. Flowers pale yellow.

-15.36666728.5833335
80886Agelanthus zizyphifolius subsp. vittatus27 Feb 1995NB Zimba
NB Zimba 638 RE Gereau MO
At hill topMwinilunga District; Ikelenge; Milomba Hill, 12 km from turnoff of the Kalene Hill Road located 12.6 km from Ikelenge. 0Zambia1124A1W1440

Parasitic; at hill top; stem grey; leaves green and relatively tough; flowers light red with dark red bands near apex.

-11.18472224.1997225
80890Albizia adianthifolia var. adianthifolia21 Nov 1993DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 2042 RE Gereau MO
Collections below falls along Kaombe River in riverine forest. Rocky soils, quartz sand, basalt outcrops. Kundalila Falls Picnic Area, 13 km S of Serenje-Mpika Hwy. 1210Zambia1330B1C1370

Occasional large tree to 10 m; calyx green; corolla tube white; male flowers, stamen on long column, red; female flowers, may be sterile; central flower white filaments, fertile?; anthers red.

-13.15444430.7194445
80891Albizia amara subsp. sericocephala Jul 1996G Renehan
G Renehan 10 RE Gereau MO
Chingola; Chimfunshi Wildlife Orphanage and Chimpanzee Sanctuary, ca. 57 km NW of Chingola along Kafue River. UTM Coordinates: 557812.985, 8633679.801. 1500Zambia1227B3W0

Tall tree ca. 14 m in height growing on anthills. Trunk grey with deep vertical fissures. Branches smooth grey with white patches. No spines. Leaves compound bipinnate in tufts of 3-4. Fruits/flowers not visible. Collected 20 July 1996 from termite mound within 14 acre chimp enclosure.

-12.33333327.5000004
80895Albizia gummifera27 Oct 1972DB Fanshawe
DB Fanshawe 11547 RE Gereau MO
Makutus0Zambia1033A4N0

9 m. tree on fringe of forest (grows to 3' diameter and 90' high) with visinate leaves and rhomboidal lfts alab. fls white with pink filaments, standing above the foliage.

-10.41666733.2500005
80897Albizia petersiana subsp. petersiana21 Nov 1992MG Bingham
MG Bingham 8657 RE Gereau MO
Mporokoso District; Kalungwishi River, Kundabwika Falls. 1240Zambia0929A2N1000

-9.20000029.3000005
80908Allophylus chaunostachys5 Feb 1995DK Harder
DK Harder 2600 RE Gereau MO
Collections from within disturbed and undisturbed forest habitat. Mwekera Forest College; (Mwekera) Botanical Reserve; ca. 0.25 km NE of Mwekera Dam/Reservoir; near bee house. 0Zambia1228C4W1320

Frequent lianescent shrub to 3 m; young parts with light brown hairs; young fruit light green.

-12.84361128.3550004
80909Allophylus chaunostachys22 Feb 1995NB Zimba
NB Zimba 560 RE Gereau MO
Mwinilunga District; Lwawu Mission ca. 47 km W of Mwinilunga; 4.7 km W of Lwawu mission, along Lushimba River. 0Zambia1124C1W1280

Small; lianescent shrub; along the banks of the river; occasional; leaves smooth, shiny abaxially; flowers white.

-11.61666724.1666675
82120Entada abyssinica25 Nov 1993DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 2144 RE Gereau MO
On rocks and in surrounding miombo woodland; rocky soils, Uapaca woodland.Chinsali District; Shiwa Ng'andu, Mansha River. Collections at Chusa Falls. 1170Zambia1131B1N1470

Tree 10 m; rough, grey bark, thornless; calyx light green; filaments white; anthers light yellow; inflorescence turning orange then brown.

-11.15527831.5511115
82121Entada abyssinica27 Nov 1993DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 15 RE Gereau MO
Chishimba Falls picnic and camping areaChishimba Falls. Ca 32 km northwest of Kasama at Chishimba Falls picnic and camping area. 13 km from intersection of roads M3 and D20 on road D20 and 2 km south/southwest on access road to power station. 2010Zambia1030B2N1380

Tree 5-6 m with sweet flower scent; white filaments with yellow anthers ageing to yellow flowers.

-10.15277830.9150004
82453Harungana madagascariensis26 Feb 1995DK Harder
DK Harder 2788 RE Gereau MO
Collections in riverine forest above source and in surrounding woodland of Uapaca, Aframomum; Pteridium. Ikelenge District; Zambezi Source National Heritage Site; 18.0 km S of Ikelenge then 4.8 km E on access road from Ikelenge-Mwinilunga Rd. 1140Zambia1124A4W1500

Occasional; in woodland; to 2.5 m; abaxial leaf surfaces brown; in bud only; inflorescence with red-brown hairs.

-11.36638924.3722225
82875Melastomastrum capitatum22 Feb 1995NB Zimba
NB Zimba 607 RE Gereau MO
Mwinilunga District; Lwawu Mission ca. 47 km W of Mwinilunga; 4.7 km W of Lwawu mission, along Lushimba River. 0Zambia1124C1W1280

Occasional; small shrub; 1 m tall; in woodland; stem hairy, green; leaves green, darker green adaxially; flowers pink; upper anthers yellow, lower purple.

-11.61666724.1666675
82873Melastomastrum capitatum26 Feb 1995DK Harder
DK Harder 2818 RE Gereau MO
Collections in riverine forest above source and in surrounding woodland of Uapaca, Aframomum; Pteridium. Ikelenge District; Zambezi Source National Heritage Site; 18.0 km S of Ikelenge then 4.8 km E on access road from Ikelenge-Mwinilunga Rd. 1140Zambia1124A4W1500

Occasional; in woodland; shrub to 1 m; upper stems, abaxial leaf surfaces, petioles and calyx lobes red; petals deep purple; upper anthers bright yellow; lower light purple with red-purple filaments; capsules turning red.

-11.36638924.3722225
82918Mimosa pigra8 Dec 1993DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 991 RE Gereau MO
Dried dambo and grasslands around Lake Mweru Wantipa. Kaputa District; Mweru Wantipa National Park, along main road through park (D-37) 18.6 km south of northern park gate. 940Zambia0829D1N1000

Shrub, armed; 70-80 cm tall; flowers pale pink, fruits golden-green; leaves close when touched.

-8.68333329.5333335
82919Mimosa pigra18 Nov 1993DK Harder
MC Merello
CN Nkhoma
M Mupeta
DK Harder MC Merello CN Nkhoma M Mupeta 1932 RE Gereau MO
In seasonally inundated area on deep alluvial soils.Kasanka National Park, Luwombwa River. 990Zambia1230C1C1170

Frequent shrub at edge of water; flowers pink with yellow pollen; pods golden-green, maturing dark brown-black.

-12.53861130.2277785
83019Ochna afzelii25 Nov 1993DK Harder
DK Harder 2125 RE Gereau MO
On rocks and in surrounding miombo woodland; rocky soils, Uapaca woodland.Chinsali District; Shiwa Ng'andu, Mansha River. Collections at Chusa Falls. 1170Zambia1131B1N1470

Recorded as subsp. afzelii.
Occasional tree to 4 m among rocks along stream; tepals light green on lobes, deeper green at base; filaments light green; ovaries light green.

-11.15527831.5511115
83034Ochna schweinfurthiana16 Nov 1993DK Harder
DK Harder 1912 RE Gereau MO
Collections in small mushitu forest and mixed miombo with large termite mounds. Kasanka National Park, ca. 1 km E of Musande Tent Camp.990Zambia1230C1C1260

Occasional weak wooded tree to 5 m; (in fruit only); calyx lobes yellow; young fruit light green and balck when mature.

-12.51666730.1333335
83035Ochna schweinfurthiana25 Nov 1993DK Harder
DK Harder 2128 RE Gereau MO
On rocks and in surrounding miombo woodland; rocky soils, Uapaca woodland.Chinsali District; Shiwa Ng'andu, Mansha River. Collections at Chusa Falls. 1170Zambia1131B1N1470

Tree to 8 m; leaves light green; midribs yellow-white; calyx yellow to brown; young fruits light green. N.V. "munau"

-11.15527831.5511115
83120Panicum brazzavillense27 Jan 1962WL Astle
WL Astle 1302 RE Gereau MO
Old River Bed Chambeshi FlatsKasama District; "Old River Bed" Chambeshi Flats.2010ZambiaN1220

Tufted very common grass under 18 in. of water

0.0000000.0000000
83121Panicum brazzavillense21 Nov 1972AK Strid
AK Strid 2555 RE Gereau MO
Mwinilunga District; 20 miles from Mwinilunga along road to Kalene Hill0ZambiaW0

Watershed grassland

0.0000000.0000000
84224Zanha golungensis18 Nov 1993DK Harder
DK Harder 1950 RE Gereau MO
Collections in riverine forest. Kasanka National Park, along Musande River. Along eastern shore approx. 1.5 km S of Musande Tent Camp. 990Zambia1230C1C1170

Occasional tree to 12 m, smooth bark; young fruits light green, turning light orange when mature.

-12.52722230.1383335


Copyright: The Rwanda flora team, 2024-25

The Rwanda flora team (2025). Flora of Rwanda: Records determined by Gereau.
https://www.rwandaflora.com/speciesdata/utilities/utility-display-determinations-by-person.php?person_id=617, retrieved 5 December 2025

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