Records determined by Roger Polhill

Determinations: 11

The following is a list of the records determined by Roger Polhill 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
80882Agelanthus zizyphifolius subsp. vittatus18 Nov 1993DK Harder
DK Harder 1929 RM Polhill K
In seasonally inundated area on deep alluvial soils.Kasanka National Park, Luwombwa River. 990Zambia1230C1C1170

Parasite; leaves light green; calyx light green; corolla tube green and tipped in dull red; anthers orange; constriction on corolla tube green.

-12.53861130.2277785
80883Agelanthus zizyphifolius subsp. vittatus28 Feb 1995B Luwiika
B Luwiika 108 RM Polhill B Luwiika K
Miombo woodlandMwinilunga District; Ikelenge; Kavunga Protected Forest Area; adjacent to Hillwood Farms' Nchila Wildlife Reserve at Hillwood Farms; ca. 3.5 km E of Ikelenge. 1520Zambia1124A4W1350

Parasitic; stems greyish-black; leaves smooth, dark green above, light green beneath; fruits smooth, dark green; latex creamy.

-11.25944424.3261115
80884Agelanthus zizyphifolius subsp. vittatus28 Feb 1995B Luwiika
B Luwiika 127 RM Polhill B Luwiika K
Mwinilunga District; Ikelenge; Kalene Hills (12.6 km from Ikelenge Mission). 0Zambia1124A1W1440

Parasitic; stems greyish-black; leaves smooth dark green; inflorescence pink, petals connate into column.

-11.18472224.1997225
80885Agelanthus zizyphifolius subsp. vittatus14 May 1994HH Schmidt
HH Schmidt 1373 RM Polhill K
Fine sand to rocky soils, primarily granite, feldspar and mica.Mpika District; North Luangwa National Park; Elephants Playground; ca. 14.0 km SE of Mano Camp. 910Zambia1132D2N880

Parasite in trees. Leaves yellowish-green, dark. Fruits green turning red at maturity. Common.

-11.67355632.7666675
83925Tephrosia linearis var. linearis16 Mar 1996DK Harder
B Luwiika
NB Zimba
DK Harder B Luwiika NB Zimba 279 RM Polhill B Luwiika K
Mongu District; In the Miulwe Plain, 44.5 km E of Mongu town on south side of Mongu-Lusaka Road. 0ZambiaB1110

Approx. 1 m tall; stems woody, light green; leaves dark green on top, light green underneath with a white removable powder; fruits yellowish green. Collected in the plain.

0.0000000.0000000
83935Tephrosia vogelii21 Feb 1995DK Harder
B Luwiika
MM Nawa
NB Zimba
DK Harder B Luwiika MM Nawa NB Zimba 2729 RM Polhill K
Collections in woodland and in dambo at source of small stream. Mwinilunga District; ca. 15.8 km N/NE of Luawu Mission on Luwawu-Ikelenge Road at village Ipeba.1Zambia1124C1W1410

Rare; probably cultivated, shrub to 2 m; calyx light green with dark hairs; petals all white; pods brown. Root used as fish poison.

-11.52361124.1311115
83965Thesium goetzeanum29 Jan 1995DK Harder
DK Harder 2507 RM Polhill K
Collections in degraded and grazed woodland with limestone outcrops. Lusaka District; Ca. 500 m N of Jellis Farm turn in, on access road from Leopard's Hill Road. 1450Zambia1528A4C1380

Occasional from woody taproot; tepals light yellow; immature fruit light green.

-15.49555628.4352785
83966Thesium goetzeanum25 Feb 1996DK Harder
DK Harder 3511 RM Polhill K
With limestone rocks and shallow soils. Lusaka District; Lusaka East; Kanyanja; Kafue Powerline Road; S ca. 5 km; then W ca. 2 km to area of old military camp houses. 0Zambia1528C2C1350

Rare, herb; from fleshy rootstock; calyx green; petals (?) white; base of aging fruit white.

-15.52833328.4550005
84170Viscum triflorum1 Aug 1993MG Bingham
MG Bingham 9490 RM Polhill K
Woodland Mkushi District; Changwena Falls. 1350Zambia1329B3C1400

-13.41666729.5500004
84171Viscum triflorum25 Nov 1993DK Harder
DK Harder 2127 RM Polhill K
On rocks and in surrounding miombo woodland; rocky soils, Uapaca woodland.Chinsali District; Shiwa Ng'andu, Mansha River. Collections at Chusa Falls. 1170Zambia1131B1N1470

Parasite on Clusiaceae; young leaves purple-red; petals brown outside, yellow-white inside; anthers yellow-white young fruit light green turning translucent yellow-white when mature; juicy.

-11.15527831.5511115
120881Viscum tuberculatum May 1960RM Davies
RM Davies D2778 RM Polhill SRGH
Stony ridgeOn way to Gokomera, Gweru District0ZimbabweC1067

Parasite mostly on Acacia.

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Copyright: The Rwanda flora team, 2024-25

The Rwanda flora team (2025). Flora of Rwanda: Records determined by Roger Polhill.
https://www.rwandaflora.com/speciesdata/utilities/utility-display-determinations-by-person.php?person_id=49, retrieved 5 December 2025

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