Records determined by Mary Merello

Determinations: 43

The following is a list of the records determined by Mary Merello 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
81250Cassipourea mollis1 Dec 1993CN Nkhoma
CN Nkhoma 120 MC Merello MO
Open woodlandMbala District; 24 km west of Mbala along Mbala-Mpulungu Road to Power Station Road (D549). Open woodlands between 22.6-25.6 km along D549 becoming road RD2. 0Zambia0831C3N1740

Shrub with green inflorescence and red-seeded fruit.

-8.93333331.1833335
81399Cleome hirta26 May 1994DK Harder
DK Harder 3240 MC Merello MO
Collections at turn out along roadside, in steep woodland and in valley bottoms with seasonal water.Isoka 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

Weak-wooded shrub to 1.5 m; also seen in disturbed cultivated fields; calyx red-purple; corolla pink with purple stripe medially and longitudinally; filaments purple; anthers yellow; fruits light green with purple; stems purple.

-10.37583333.1475005
81719Cucumis hirsutus23 Nov 1993DK Harder
DK Harder 2105 MC Merello MO
Collections around Kundalila Falls; below falls, in rocky soils and quartz sand, basalt outcrops. Kanona District; Kundalila Falls Picnic Area, 13 km S of Serenje-Mpika Hwy. at Kanona. 1210Zambia1330B1C1590

Rare in woodland; male flowers only; calyx green; corolla light yellow; anthers yellow.

-13.15444430.7194445
81725Cussonia arborea31 Oct 1993DK Harder
DK Harder 1842 MC Merello MO
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 shrub to 2 m, occasionally branched bark tan; petals light green, gynoecium darker green.

-15.36555628.1613895
81914Diospyros kirkii31 Oct 1993DK Harder
DK Harder 1847 MC Merello MO
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 tree to 10 m, black-grey, shallowly fissured bark; young plant parts, axillary buds; calyx lobes and outer corolla tube covered with brownish-red hairs; fruits green, flesh light yellow with sticky sap; interior of corolla tube waxy white.

-15.36555628.1613895
81915Diospyros kirkii5 Nov 1993DK Harder
DK Harder 1858 MC Merello MO
In miombo woodland along stream (seasonal) at permanent pool. Musi-oa Tunia National Park, along road to Songwe Gorge ca. 4 km SW of intersection with Zimbabwe-Livingstone Road. 1060Zambia1725D4S870

Frequent tree to 15 m, square-blocked dark bark; leaves light green; young parts, calyx and outer surface of corolla tube with brown hairs; corolla lobes light green.

-17.96916725.8641675
81916Diospyros kirkii7 May 1994DK Harder
DK Harder 3042 MC Merello MO
In Mopane/Combretum woodland on quartz/mica soils; very drySerenje District; 10.9 km N of Chisomo village. 0Zambia1330D1C600

Frequent, tree to 6 m; fruit green-yellow.

-13.55694430.6138895
81917Diospyros kirkii16 May 1994DK Harder
DK Harder 3137 MC Merello MO
Miombo woodland species mixed with cultivated ornamentals.Mpika District; Mpika town, Chitulika [Ministry of Local Govt. & Housing Hostels] ca. 2 km west of Serenje-Mpika Road, collections within encampment. 0Zambia1131C4N1200

Tree; 10 m x 20 cm dbh; thick grey bark; fruit yellow when ripe.

-11.83555631.4233335
81928Diospyros mespiliformis17 Nov 1993DK Harder
DK Harder 1927 MC Merello MO
On sandy soils in seasonally inundated flood plain. Collections in riverine forest. Kasanka National Park, along Musande River near confluence of Musande and Luwombwa Rivers.990Zambia1230C1C1170

Frequent tree to 6 m, spreading; calyx light green; corolla yellow-green; shallowly fissured grey bark.

-12.52722230.1383335
81929Diospyros mespiliformis19 Nov 1993DK Harder
DK Harder 1975 MC Merello MO
Mushitu dominated by Syzygium, marshes and open waterKasanka National Park; Kalamafiala Forest. 990Zambia1230C1C1170

Tree in small forest patch in grassland; calyx light green; outer corolla covered in white to brown hairs; petal lobes light green, fragrant. N.V. "muchenge"

-12.57888930.2297225
81930Diospyros mespiliformis25 Nov 1993DK Harder
DK Harder 2154 MC Merello 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 in woodland to 8 m; black branches; leaves green above, lighter below; midrib yellow; cauliflorous fruit, green under easily removable brown-black pubescence.

-11.15527831.5511115
81931Diospyros mespiliformis29 Nov 1993DK Harder
DK Harder 2189 MC Merello MO
Collections right above falls, in surrounding forest and along road in sandy soil in miombo woodland. Mbala District; Lungu Protected Forest Area; Kalambo Falls National Heritage site.1250Zambia0831C1N1230

Tree 10 m; above falls; leaves deep green and shiny above, duller, lighter below; with young fruit only; calyx light green; young fruit light green with shiny brown hairs.

-8.59722231.2394445
81937Diospyros mweroensis8 Dec 1993MC Merello
MC Merello 998 MC Merello MO
Open thicketsKaputa District; Mweru Wantipa National Park, along main road through park (D-37) 22.3 km south of the northern park entrance. 940Zambia0829D1 N1000

Slender tree 6 m; cauliflorous; calyx green with brown pubescence; petals cream-white with a brown pubescence on the outside; stamens and pistils "dirty" white colour; slight fragrance. Uncommon.

5
82071Ekebergia benguelensis7 Nov 1993MC Merello
MC Merello 913 MC Merello MO
Woodlands, somewhat disturbed by fire and cutting. 2 km northeast of Choma along the Livingstone-Lusaka Road.0Zambia1627C3S1290

Tree 4 m, foliage glaucous beneath; bark reddish-brown; young fruits yellow-green flushed with red.

-16.78333327.1666675
82089Elaeodendron buchananii26 May 1994DK Harder
DK Harder 3223 MC Merello MO
Collections along Kabundi stream in Fungwe National Forest # 429 and in woodland. Isoka District; ca. 87 km E/SE of intersection of Mpika-Nakonde Highway (Great North Road) on road to (RD72) Muyombe connecting to Muyombe (M14), collections along Kabundi stream in Fungwe National Forest # 429 and in woodland. 0Zambia1033A3N1020

Tree to 5 m along stream; leaves deep green above; lighter below; fruit, single-seeded, hard, light green.

-10.37361133.1675005
82090Elaeodendron buchananii26 May 1994DK Harder
DK Harder 3233 MC Merello MO
Collections at turn out along roadside, in steep woodland and in valley bottoms with seasonal water.Isoka 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

Shrub to 10 m wide; leaves deep green; fruit hard and light green.

-10.37583333.1475005
82176Eriocoelum lawtonii17 May 1994DK Harder
DK Harder 3178 MC Merello MO
Collection along river, among rocks, in mushitu and in miombo woodland. Chinsali District; Chipomo Falls National Monument, along Chimanabuwi River. 0Zambia1132C2N1310

Tree to 10 m or more in mushitu; frequent; leaves deep green above, lighter, duller below; young shoots and inflorescence stalks with brown hairs; petals white, calyx light green with brown hairs; filaments with red anthers; fruit with brown hairs, tinged with red.

-11.74944432.4722225
82454Harungana madagascariensis17 May 1994DK Harder
DK Harder 3181 MC Merello MO
Collection along river, among rocks, in mushitu and in miombo woodland. Chinsali District; Chipomo Falls National Monument, along Chimanabuwi River. 0Zambia1132C2N1310

Occasional shrub to 2.5 m; on sand; young stem, petiole, midrib, peduncles and minor veins with brown hairs; young fruit light green.

-11.74944432.4722225
82455Harungana madagascariensis24 May 1994CN Nkhoma
CN Nkhoma 275 MC Merello MO
Around stream dominated by bamboo and surrounding miombo woodland. Isoka District; 88.1 km from Isoka-Nakonde Road turnoff to Muyombe. 0Zambia1033A3N1180

1.5 m tall shrub by the bridge. Brown vein on underside of leaves. Small green fruits.

-10.36861133.1825005
82665Jasminum dichotomum17 Nov 1993DK Harder
DK Harder 1926 MC Merello MO
On sandy soils in seasonally inundated flood plain. Collections in riverine forest. Kasanka National Park, along Musande River near confluence of Musande and Luwombwa Rivers.990Zambia1230C1C1170

Occasional liana; leaves light green; young fruit light green, turning dark purple-black when ripe.

-12.52722230.1383335
82733Lannea discolor1 Dec 1993CN Nkhoma
CN Nkhoma 109 MC Merello MO
Open woodlandMbala District; 24 km west of Mbala along Mbala-Mpulungu Road to Power Station Road (D549). Open woodlands between 22.6-25.6 km along D549 becoming road RD2. 0Zambia0831C3N1740

Shrub with light green fruits. Grey underside of leaf.

-8.93333331.1833335
82859Maranthes floribunda9 Dec 1993DK Harder
DK Harder 2225 MC Merello MO
At bridge over Nchelenje River. Collections in dambo on E side of river. Mporokoso District; along Mporokoso-Kasama Road, 95 km ESE of intersection of Mporokoso-Nsama-Kasama Roads N of Mporokoso. 0Zambia0930A4N1590

Occasional tree to 11 m; adaxial leaf surface green, shiny, abaxial white; rough bark supporting lichens; persistent fruit infected with insects; light green; latex clear.

-9.43333330.3577785
82865Markhamia obtusifolia18 Nov 1993DK Harder
DK Harder 1943 MC Merello MO
In seasonally inundated area on deep alluvial soils.Kasanka National Park, Luwombwa River. 990Zambia1230C1C1170

Occasional small tree in small groupings; light brown-gold pubescence over all plant parts; weakly-wooded; calyx light yellow-green; corolla yellow with deep red stripes on lobes and in throat.

-12.53861130.2277785
82893Memecylon flavovirens13 May 1994DK Harder
DK Harder 3108 MC Merello MO
Collections in riverine miombo forest and in surrounding miombo woodlands on sandy soils on Mwaleshi River.Mpika District; Mano Camp just outside and N of North Luangwa N.P. 910Zambia1132C1N1110

Occasional in woodland, shrub to 4 m; persistent calyx and fruit light green; abaxial leaf surface dull, light green.

-11.64722232.1694445
82895Memecylon flavovirens2 Dec 1993MC Merello
MC Merello 944 MC Merello MO
Forest patches among cultivated areasMbala District; Mpulungu Protected Forest Area No. 45, off Mbala-Mpulungu Road along dirt road D13 6.4 km from beginning. 0Zambia0831C3N930

Tree 5-6 m; foliage a slightly yellowing (anemic)- glaucous color; glossy; peduncles pink, buds greenish-white, calyx green; (anthers purple, not seen on this individual). Common.

-8.78333331.1166675
82940Monotes adenophyllus2 Dec 1993MC Merello
MC Merello 950 MC Merello MO
Disturbed forest along stream bed.Mbala District; Mpulungu Protected Forest Area No. 45, along dirt road D13 1.7 km west of its intersection with Mbala-Mpulungu Road. 0Zambia0831C3N1040

Tree 8 m, grey bark, buds green; inflorescence bracts brown and wanting; shiny brown gland at base of leaf blade where it meets the petiole on the upper surface. Common.

-8.81666731.1333335
82955Monotes katangensis17 May 1994DK Harder
DK Harder 3184 MC Merello MO
Collection along river, among rocks, in mushitu and in miombo woodland. Chinsali District; Chipomo Falls National Monument, along Chimanabuwi River. 0Zambia1132C2N1310

Tree, occasional; to 10 m; on rocky sandy soil; bark grey; calyx bright red; petals yellow-white; DNA sample.

-11.74944432.4722225
82956Monotes katangensis17 May 1994DK Harder
DK Harder 3206 MC Merello MO
Collection along river, among rocks, in mushitu and in miombo woodland. Chinsali District; Chipomo Falls National Monument, along Chimanabuwi River. 0Zambia1132C2N1310

Occasional; tree 10 m x 30 cm dbh; rough leaves; calyx green; anthers and petals light yellow; sweetly fragrant. DNA sample.

-11.74944432.4722225
82957Monotes katangensis9 May 1994CN Nkhoma
CN Nkhoma 160 MC Merello MO
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

Common tree ca. 12 m tall; small fruit borne on 5 cm stalk in red elongated bracts.

-13.15250030.7222225
83015Nuxia oppositifolia5 Nov 1993DK Harder
DK Harder 1855 MC Merello G McPherson MO
In miombo woodland along stream (seasonal) at permanent pool. Musi-oa Tunia National Park, along road to Songwe Gorge ca. 4 km SW of intersection with Zimbabwe-Livingstone Road. 1060Zambia1725D4S870

Occasional herb at edge of pond among rocks, weakly woody; calyx green; petals white; filaments and anthers white.

-17.96916725.8641675
83164Parinari curatellifolia16 May 1994DK Harder
DK Harder 3135 MC Merello MO
Miombo woodland species mixed with cultivated ornamentals.Mpika District; Mpika town, Chitulika [Ministry of Local Govt. & Housing Hostels] ca. 2 km west of Serenje-Mpika Road, collections within encampment. 0Zambia1131C4N1200

Tree to 5 m x 20 cm dbh; frequent; abaxial leaf surface white, midrib brown; fruits deep green with brown lenticels.

-11.83555631.4233335
83351Psorospermum febrifugum18 Nov 1993DK Harder
DK Harder 1941 MC Merello MO
In seasonally inundated area on deep alluvial soils.Kasanka National Park, Luwombwa River. 990Zambia1230C1C1170

Common tree to shrub; red-golden hairs on shoots; calyx light green-red; petals white outside with minute stripes outside, furry inside; fruit bright red.

-12.53861130.2277785
83350Psorospermum febrifugum31 Oct 1993DK Harder
DK Harder 1845 MC Merello G McPherson MO
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 shrub to 3 m, underside of leaves, twigs and outer calyx lobes covered with brownish hairs; corolla lobes whitish, fuzzy; nectaries at base of petals bright orange; anthers yellow; young fruits red with deeper red spots.

-15.36555628.1613895
83428Rawsonia lucida21 Nov 1993DK Harder
DK Harder 2030 MC Merello 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

Tree to 8 m along rock wall and in deep shade; leaves deep green glossy above, lighter duller below; calyx yellow and white at edges; anthers yellow; filaments white; petals yellow at base; fruits light green.

-13.15444430.7194445
83950Tetracera masuiana7 Dec 1993CN Nkhoma
CN Nkhoma 139 MC Merello MO
In green thickets on flat landKaputa District; Nsumbu National Park. 11.6 km from Nkamba Lodge west, 4.4 km southwest from bridge on road to park gate at Nsumbu in green thickets on flat land. 1080Zambia0830C2N850

Shrub common along road in open woodland outside thickets. Sepals purple at edges. Petals white, light green pistil, yellow-pink anthers.

-8.59583330.3944445
83968Thonningia sanguinea21 Feb 1995DK Harder
DK Harder 2723 MC Merello MO
In degraded miombo on sand with Brachystegia, Hymenocardia, Aframomum. Mwinilunga District; ca. 6.3 km N/NE of Luawu Mission on road to Luano. 0Zambia1124C1W1290

Occasional; parasitic; from scaly rhizome; fleshy cortex yellow; upper scales red-pink.

-11.59333324.1361115
84022Trichilia prieuriana6 Dec 1993MC Merello
MC Merello 958 MC Merello MO
Wet forest along Lake TanganyikaKaputa District; Nsumbu National Forest, Kampasa Rain Forest, wet forest along Lake Tanganyika. 108,2000Zambia0830D1N870

Tree 6 m; fruits chalky, white-green in color; frequent.

-8.58333330.5000005
84163Viridivia suberosa25 Nov 1993DK Harder
DK Harder 2140 MC Merello MO
On rocks and in surrounding miombo woodland; rocky soils, Uapaca woodland.Chinsali District; Shiwa Ng'andu, Mansha River. Collections at Chusa Falls. 1170Zambia1131B1 N1470

Frequent upright shrub to 1 m; leaves with golden sheen; extra floral nectaries on petioles; fruit green; arils orange-yellow; sweet flesh. N.V. "muliansefu"

5
84164Viridivia suberosa29 Nov 1993DK Harder
DK Harder 2173 DK Harder MC Merello Collections along road to Kalombo Falls. Ridgetop miombo woodland with large boulders and sandy soils.Mbala District; Lungu Protected Forest Area. 1250Zambia0831C1 N1560

Occasional tree to 5 m; vegetation parts covered with golden-brown pubescence; fruits dark green.

5
84184Wahlenbergia abyssinica20 Nov 1993DK Harder
DK Harder 2001 MC Merello MO
Collections around Kundalila Falls. Rocky soil, quartz sand, basalt outcrops. Kanona District; Kundalila Falls Picnic Area, 13 km S of Serenje-Mpika Hwy. at Kanona.1210Zambia1330B1C1590

Suffrutex in recently burned area; petals reddish purple; style purple; petals turn from red-purple to yellow; capsule longitudinally striped.

-13.15388930.7388895
84187Wahlenbergia capitata7 May 1994DK Harder
DK Harder 3057 MC Merello MO
Brachystegia miombo on broken quartz soil. Serenje District; 16 km N of Chisomo Village on Chisomo-Serenje Road. 0Zambia1330D1C960

Frequent herb to 0.5 m; calyx green; petals white at base, blue on lobes; style white at base, blue at tip; extruded pollen yellow.

-13.52833330.5858335
84188Wahlenbergia capitata10 Mar 1997B Luwiika
B Luwiika 588 MC Merello B Luwiika MO
Collecting along the Sinazongwe/Choma RoadChoma District; Collecting along the Sinazongwe/Choma Road, 11.6 km from the junction. 0Zambia1627C4S1200

Herb, 30 cm, in marsh areas. Stems light green, hard with white sticky hairs; leaves light green, smooth above, hairy underneath; flowers purplish-blue.

-16.86888927.2735565
84194Wahlenbergia napiformis3 Mar 1997B Luwiika
B Luwiika 579 MC Merello B Luwiika MO
Along the Maamba/Sinazongwe RoadChoma District; Collecting along the Maamba/Sinazongwe Road, 11.4 km from the Choma-Lusaka Road. 0Zambia1627C4S1200

Herb, 1 m, common in wet areas. Stems and leaves dark green; flowers light purple; roots white woody.

-16.86888927.2727785


Copyright: The DRC flora team, 2024-25

The DRC flora team (2025). Flora of the Democratic Republic of Congo: Records determined by Mary Merello.
https://www.drcongoflora.com/speciesdata/utilities/utility-display-determinations-by-person.php?person_id=526, retrieved 16 June 2025

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