Records determined by Kaj Vollesen

Determinations: 19

The following is a list of the records determined by Kaj Vollesen 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
74497Bidens acuticaulis var. acuticaulis3 May 2011L Merrett
L Merrett 607 KB Vollesen K
Miombo woodland. Tree layer: Julbernadia paniculata, Brachystegia floribunda, B. longifolia, Parinari curatellifolia, Herb layer: Hypoestis forskaoli, Psychotria spithamea, Inula glomerata, Schistostephium artemisiifolium, Hibiscus rhodanthusMutinondo Widerness Area, Mafone Camp: Junction of Mafone and Lodge road across Musamfushi river. 1160Zambia1231A3N1488

Annual herb, thin straight stems +-40cm long, leaves deeply lobed, only veins remain. Seedheads terminal, compound, compact, elongated seed tips bifid.
Seasonally fairly widespread

-12.45518331.1722505
74498Bidens acuticaulis var. acuticaulis18 Apr 2012L Merrett
L Merrett 771 KB Vollesen K
Miombo woodland. Tree layer: Julbernadia paniculata, Brachystegia floribunda, B. longifolia, B. taxifolia, Syzygium guineense subsp. macrocarpum, Phyllocosmus leaireanus, Pseudolachnostylis maprouneifolia, Pleurostylia africana, Garcinia huillensis, Rourea orientalis, Rothmannia engleriana, Strychnos cocculoides, S. pungens, Herb layer: Clerodendrum buchneri, Hypoestis forskaoli, Psychotria spithamea. Mutinondo Widerness Area, Mayense Camp: Along driveway at base of lodge rock. 1160Zambia1231A4N1468

Annual herb, thin straight stems +-40cm long, leaves deeply lobed, only veins remain. Seedheads terminal, compound, compact, elongated seed tips bifid. Remnant yellow petals on a few heads.
Seasonally fairly widespread.

-12.45230031.2869335
124056Bidens diversa7 Apr 2024N Wightman
J Alfonsi
I Kabinda
W van Niekerk
M Kaluwe
N Wightman J Alfonsi I Kabinda W van Niekerk M Kaluwe NCW1260 KB Vollesen K
ZAHBRI
Escarpment Brachystegia woodland Nsama District, Northern Province, Zambia 0Zambia0930A1N1477

-9.23024530.1670916
81103Blepharis glumacea9 May 1994CN Nkhoma
CN Nkhoma 147 KB Vollesen K
In miombo woodland above meadow. Serenje District; Kundalila Falls. Ca. 65 km from Serenje gas station on road to Mpika, turn to east for 15 km. 1210Zambia1330B1C1415

Uncommon annual ca. 30 cm, white stamens with dark anthers, purple petals, light green sepals with brown streaks.

-13.15250030.7222225
81105Blepharis maderaspatensis17 Apr 1996NB Zimba
NB Zimba 799 KB Vollesen K
Soil: Kalahari sands.Mongu District; 74.1 km south-east of Mongu; 52.5 km off Mongu-Kaoma Road along old Mongu-Lusaka Road in Cryptosepalum forest. 0Zambia B1080

Twining herb; rare; in Mavunda thickets on Kalahari sands; stems brown-green; leaves green; flowers white with green spiky bracts.

0
80652Bulbostylis congolensis19 Mar 2013L Merrett
L Merrett LM1294 KB Vollesen K
DamboMutinondo Widerness Area1160Zambia1231A4N1430

-12.44130031.2905004
73970Holarrhena pubescens6 Nov 2015A Banze
A Banze 321 KB Vollesen I Darbyshire K
LMA
Open woodland at the slop hills, with brownish soils.Chimanimani, foothills Mahate forest.440Mozambique1933C1MS591

Small shrub about 2 m tall, with white flowers with good smell.

-19.67100033.2040006
65858Hygrophila abyssinica6 Sep 2012MG Bingham
MG Bingham 14227 KB Vollesen K
Herb rooted between rocks in stream bed. Chongwe District, Rufunsa Game Ranch, Mwambashi river bank. 0Zambia1529A4C950

Herb rooted between rocks in stream bed.

-15.43083329.3947226
82534Hygrophila abyssinica17 May 1994DK Harder
DK Harder 3189 KB Vollesen K
Collection along river, among rocks, in mushitu and in miombo woodland. Chinsali District; Chipomo Falls National Monument, along Chimanabuwi River. 0Zambia1132C2N1310

Occasional among rocks, in crevices in full sun; outer corolla tube yellow-orange, lobes purple, throat yellow.

-11.74944432.4722225
65841Hygrophila abyssinica4 Jul 1997JR Timberlake
MG Bingham
JR Timberlake MG Bingham 11483 KB Vollesen K
J
MRSC
Recently flooded area Mongu District, Bulozi Plain, Mota River. 0Zambia1522B4B1000

Mat forming herb, not aromatic, flower purple.

-15.39166722.9783336
126344Hygrophila abyssinica10 Oct 1945H Wild
H Wild 218 KB Vollesen SRGH
In vleiCleveland Dam, Harare1,30Zimbabwe1731C3C0

Procumbent herb, blue flowers. Flowers regular.

0.0000000.0000000
108321Hypoestes forskaolii subsp. forskaolii10 Jun 2012P Bester
P Bester 11131 KB Vollesen PRE
BNRH
EOWBL
Gorongosa National Park, 4 km NNW of Conduè and 38 km SSW of Inhaminga.0Mozambique1834D2MS306

Herb 0.3 m tall; flowers white with purple markings. Growing in closed woodland in light shade on a plain. In well-drained loam. Occasional.

-18.69350034.8256116
128362Ipomoea blepharophylla29 Jan 2024N Wightman
I Kabinda
M Chola
N Wightman I Kabinda M Chola NCW1077 KB Vollesen K
Margin of grassland and degraded Kalahari scrubland Mangango, Kaoma Dist., Western Province 0Zambia1424C2B1104

-14.67249024.4907906
120989Nervilia stolziana12 Jan 2022N Wightman
J Alfonsi
S du Plessis
D du Plessis
C Conradie
N O'Connor
N Wightman J Alfonsi S du Plessis D du Plessis C Conradie N O'Connor NCW639 KB Vollesen K
Upland hill miombo woodland Mafinga Mountains, Mafinga District, Muchinga Province 1190Zambia1033A2 N1985

6
83981Thunbergia lancifolia1 Dec 1993CN Nkhoma
CN Nkhoma 82 KB Vollesen K
Miombo woodland in hilly topography. Mbala District; 24 km west of Mbala along Mbala-Mpulungu Road to Power Station Road (D549). By stream 6.2 km along road D549. 0Zambia0831C3N1320

Purple calyx, yellow base. Corolla turning bluish-purple.

-8.93555631.1741675
83980Thunbergia lancifolia1 Dec 1993CN Nkhoma
CN Nkhoma 75 KB Vollesen K
Miombo woodland in hilly topography. Mbala District; 24 km west of Mbala along Mbala-Mpulungu Road to Power Station Road (D549). By stream 3 km along road D549. 0Zambia0831C3N1320

Uncommon plant. Brown fruit at end of enlarged pedicel.

-8.93555631.1741675
83979Thunbergia lancifolia7 Nov 1993MC Merello
MC Merello 914 KB Vollesen K
Woodlands, somewhat disturbed by fire and cutting. 2 km northeast of Choma along the Livingstone-Lusaka Road.0Zambia1627C3S1290

Suffrutex, 40-50 cm tall; base of stems white; corolla lobes dark blue-violet inside and outside, throat dark yellow inside cream yellow out; sepals green, fruits green.

-16.78333327.1666675
83978Thunbergia lancifolia13 Feb 1995B Luwiika
B Luwiika 5 KB Vollesen B Luwiika K
Collecting from a miombo woodland, sandy silt soil; and termite mounds. Solwezi District; Acres National Forest Reserve; ca. 78 km W of Solwezi on Mwinilunga Road. 0Zambia1225B4W1230

Herb; long and slender leaves; dark green adaxially, lighter abaxially; flowers deep purple, light green bracts; roots ca. 15 cm long.

-12.33333325.8525005
83977Thunbergia lancifolia31 Oct 1993DK Harder
DK Harder 1840 KB Vollesen K
Collections along road and stream in degraded and interplanted woodland.Lusaka: Yielding Tree Farm, ca. 12 km W of Lusaka on Mungwi Road Farmlands N of road. 0Zambia1528A3C1200

Frequent herb to 1 m tall in burned woodland. Calyx pale white-purple, purple at lobe tips; corolla light yellow with purple spots at base, maroon-purple at upper end and on lobes; lobes deep purple, deeper yellow in throat with purple streaks.

-15.36555628.1613895


Copyright: The Tanzania flora team, 2026

The Tanzania flora team (2026). Flora of Tanzania: Records determined by Kaj Vollesen.
https://www.tanzaniaflora.com/speciesdata/utilities/utility-display-determinations-by-person.php?person_id=267, retrieved 13 November 2026

Site software last modified: 15 September 2026 3:23pm (GMT +2)
Terms of use