Records made by Mary Merello

Records: 29

The following is a list of the records made 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
80745 Acacia karroo 31 Oct 1993 DK Harder
MC Merello
DK Harder MC Merello 1836 RE Gereau 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. 0 Zambia 1528A3 C 1200

Common shrub to 3 m; brown bark; filaments bright yellow.

-15.365556 28.161389 5
80866 Afzelia quanzensis 18 Nov 1993 DK Harder
MC Merello
CN Nkhoma
M Mupeta
DK Harder MC Merello CN Nkhoma M Mupeta 1947 DK Harder MO
In seasonally inundated area on deep alluvial soils. Kasanka National Park, Luwombwa River. 99 0 Zambia 1230C1 C 1170

Frequent tree in woodland; light tan; calyx light yellow and green; "standard" green on back, orange turning red on front; all other petals and flower parts green.

-12.538611 30.227778 5
80896 Albizia harveyi 6 Nov 1993 SM Chisumpa
DK Harder
MC Merello
SM Chisumpa DK Harder MC Merello 1867 RE Gereau MO
Along roadside. Thicket vegetation on Kalahari sands. Simonga village, along Nakatindi Road (Livingstone-Sesheke Road), ca. 20 km W of Livingstone. 0 Zambia 1725D4 S 0

Tree almost leafless, 3 m tall; leaflets light green; young shoots, inflorescences and buds tinged red; anthers white, sweetly fragrant.

-17.966667 25.916667 5
80921 Amblygonocarpus andongensis 6 Nov 1993 SM Chisumpa
DK Harder
MC Merello
SM Chisumpa DK Harder MC Merello 1876 RE Gereau MO
Along roadside in woodland (miombo) Simonga Village, along Nakatindi Road (Livingstone-Sesheke Road) approx. 32 km W from Livingstone. . 0 Zambia 1725D4 S 0

Tree, 10 m with red-brown bark; petiole and petiolules brown-red; leaflets light green; corolla creamy white; anthers yellow. Seed fried as ground nut substitute. Pods powdered and administered against termites.

-17.966667 25.916667 5
81115 Bobgunnia madagascariensis 7 Nov 1993 DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 910 DK Harder MO
Woodlands, somewhat disturbed by fire and cutting. 2 km northeast of Choma along the Livingstone-Lusaka Road. 0 Zambia 1627C3 S 1290

Slender tree to 3 m tall; bark grey; buds golden brown, pubescent, banner white with yellow stripes from centre inside; anthers and filaments yellow-orange, young fruits light-green.

-16.783333 27.166667 5
81114 Bobgunnia madagascariensis 9 Dec 1993 DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 2226 DK Harder 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. 0 Zambia 0930A4 N 1590

Frequent tree to 7 m; rough grey bark, infected with round galls; pods green, to 30 cm long.

-9.433333 30.357778 5
81113 Bobgunnia madagascariensis 21 Nov 1993 DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 2048 DK Harder MO
Collections in grasslands along stream. Rocky soils, quartz sand and basalt outcrops. Kanona District; Kundalila Falls Picnic Area ca. 13 km S of Serenje-Mpika Hwy. at Kanona. 121 0 Zambia 1330B1 C 1570

Tree to 5 m, rough, dark bark; golden hairs on petiole and petiolule and midrib; banner white with green at base; calyx green with darker hairs; filaments orange.

-13.154444 30.719444 5
81121 Boerhavia diffusa 6 Dec 1993 MC Merello
MC Merello 961 Wet forest along Lake Tanganyika Kaputa District; Nsumbu National Forest, Kampasa Rain Forest, wet forest along Lake Tanganyika. 108,200 0 Zambia 0830D1 N 870

Prostrate vining herb, contains white latex; younger stems pinkish; leaf with white undersides, young fruits green; petals pinkish-lavender, anthers yellow. Uncommon, grows in open, rocky area.

-8.583333 30.500000 5
81586 Crossopteryx febrifuga 2 Dec 1993 MC Merello
MC Merello 942 D Bridson K
Forest patches among cultivated areas Mbala District; Mpulungu Protected Forest Area No. 45, off Mbala-Mpulungu Road along dirt road D13 6.4 km from beginning. 0 Zambia 0831C3 N 930

Tree 3 m; buds cream-colored; open flowers greenish-cream colour; calyx green; young fruits green, capsular dries brown and splits. Frequent.

-8.783333 31.116667 5
81720 Cucumis hirsutus 10 Nov 1993 MC Merello
MC Merello 926 S Bodine MO
Disturbed woodlands Disturbed woodlands of Yieldingtree Farm, lands on southwest side of road, 14 km northwest of Lusaka on Botha's Rust Road (Mungwi Road). 1 Zambia 1528A3 C 1170

Vine on cleared slope; (once cultivated) foliage bluish; petals white, yellow in centre. Flowers fade very quickly.

-15.366667 28.133333 5
81762 Cyperus digitatus subsp. auricomus 8 Dec 1993 MC Merello
MC Merello 988 C Archer PRE
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. 94 0 Zambia 0829D1 N 1000

Clumping sedge of sandy lake shore to 1 m tall; spikes light golden-yellow; leaves with white undersides.

-8.683333 29.533333 5
81970 Diplorhynchus condylocarpon 8 Dec 1993 MC Merello
MC Merello 1000 AJM Leeuwenberg WAG
Disturbed miombo woodland. Kaputa District; Mweru Wantipa National Park, along main road through park (D-37) 8 km north of the southern park gate. 94 0 Zambia 0829C4 N 1100

Large tree 15 m; calyx green, petals cream in bud, white when open, slightly fragrant; leaves glossy above, dull and lighter beneath; contains white latex. Common.

-8.916667 29.433333 5
82001 Dolichos kilimandscharicus subsp. kilimandscharicus 1 Dec 1993 DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 71 DK Harder MO
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. 0 Zambia 0831C3 N 1320

Locally common plant with yellow-green pods turning brown-purple; stem purple.

-8.935556 31.174167 5
82002 Dolichos kilimandscharicus subsp. kilimandscharicus 1 Dec 1993 DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 104 DK Harder MO
Open woodland Mbala 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. 0 Zambia 0831C3 N 1740

Common plant with stem green to purple. Inflorescence light yellow with purple streaks. Wings almost completely purple.

-8.933333 31.183333 5
82469 Euploca katangensis 8 Dec 1993 MC Merello
MC Merello 987 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. 94 0 Zambia 0829D1 N 1000

Perennial clump forming herb 5 cm tall; corollas bright yellow. Common.

-8.683333 29.533333 5
82471 Euploca ovalifolia 8 Dec 1993 MC Merello
MC Merello 985 JS Miller 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. 94 0 Zambia 0829D1 N 1000

Perennial 70 cm tall; foliage grey-blue color; corollas white, yellow in centers.

-8.683333 29.533333 5
82370 Gisekia pharnaceoides var. pharnaceoides 8 Dec 1993 MC Merello
MC Merello 984 MC Merello 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. 94 0 Zambia 0829D1 N 1000

Annual succulent herb; lower stems pinkish; 20 cm tall; grows in clumps; sepals green; petals white fading to yellow; stamens red-violet; leaves white on undersides.

-8.683333 29.533333 5
82529 Hoslundia opposita 6 Dec 1993 MC Merello
MC Merello 976 AJ Paton K
Open woodland at shores of Lake Tanganyika, Chilanga Rocks Campground. Kaputa District; Nsumbu National Park. 108 0 Zambia 0830D1 N 900

Scrambling shrub 3 m tall; perianth white; "generic herbal" fragrance. Very common.

-8.550000 30.616667 5
82672 Julbernardia globiflora 16 May 1994 DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 3136 FJ Breteler WAG
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. 0 Zambia 1131C4 N 1200

Frequent; to 8 m; leaves glossy; pods with velvety brown hairs, bark deeply fissured.

-11.835556 31.423333 5
82918 Mimosa pigra 8 Dec 1993 DK 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. 94 0 Zambia 0829D1 N 1000

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

-8.683333 29.533333 5
82919 Mimosa pigra 18 Nov 1993 DK 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. 99 0 Zambia 1230C1 C 1170

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

-12.538611 30.227778 5
82993 Neorautanenia mitis 2 Dec 1993 DK Harder
MC Merello
CN Nkhoma
DK Harder MC Merello CN Nkhoma 953 DK Harder 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. 0 Zambia 0831C3 N 1040

Perennial vine, prostrate, with erect leaves 25 cm tall; blue-grey under sides with sandpaper texture; calyx green tinged with purple; banner green streaked with purple; wings purple, keel white, anthers orange-yellow; stamens white; young pods with a golden-brown pubescence.

-8.816667 31.133333 5
83220 Peltophorum africanum 5 Nov 1993 DK Harder
MC Merello
CN Nkhoma
M Mupeta
E Tmngonga
DK Harder MC Merello CN Nkhoma M Mupeta E Tmngonga 1857 DK Harder 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. 106 0 Zambia 1725D4 S 870

Frequent tree to 4 m tall; young parts curved with light brown hairs; calyx light green; corolla bright yellow; filaments yellow-green; anthers yellow.

-17.969167 25.864167 5
83217 Peltophorum africanum 18 Nov 1993 DK Harder
MC Merello
CN Nkhoma
M Mupeta
DK Harder MC Merello CN Nkhoma M Mupeta 1953 DK Harder MO
Collections in riverine forest. Kasanka National Park, along Musande River. Along eastern shore approx. 1.5 km S of Musande Tent Camp. 99 0 Zambia 1230C1 C 1170

Tree of miombo to 8 m; calyx light green with darker brown hairs outside, lighter green inside; petals bright yellow; anthers yellow-orange.

-12.527222 30.138333 5
83385 Psydrax livida 2 Dec 1993 MC Merello
MC Merello 934 D Bridson K
Disturbed forested ridge along Lake Tanganyika at Mbete Bay in Kalini Ridge. Mbala District; Mpulungu Protected Forest Area No. 45, 9.9 km along dirt road D13 (off Mbala-Mpulungu Road). 200 0 Zambia 0831D3 N 870

Tree 6-8 m; flowers white, slightly fragrant, visited by many flies and bees; stigmas yellowish exerted; branches smooth. Frequent.

-8.800000 31.500000 4
83944 Terminalia stenostachya 2 Dec 1993 MC Merello
MC Merello 948 CCH Jongkind WAG
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. 0 Zambia 0831C3 N 1040

Tree 6 m; some buds red, some cream-colored, open flowers white, feathery dirty-white "staminode" at base of flower; fragrance of musky-honey, winged fruits pinkish-red becoming greener around the seed.

-8.816667 31.133333 5
84078 Tylosema fassoglense 10 Nov 1993 DK Harder
MC Merello
DK Harder MC Merello 924 FJ Breteler WAG
Disturbed woodlands Disturbed woodlands of Yieldingtree Farm, lands on southwest side of road, 14 km northwest of Lusaka on Botha's Rust Road (Mungwi Road). 0 Zambia 1528A3 C 1170

Prostrate leafless vine spreading 2-4 m in all directions, stems red; petals yellow, young fruits red. Common.

-15.366667 28.133333 5
84147 Vigna luteola 19 Nov 1993 DK Harder
MC Merello
CN Nkhoma
M Mupeta
DK Harder MC Merello CN Nkhoma M Mupeta 1972 DK Harder MO
Mushitu dominated by Syzygium, marshes and open water Kasanka National Park; Kalamafiala Forest. 99 0 Zambia 1230C1 C 1170

Rare twiner in grass and at edge of smaller ponds; stems tinged red; calyx green; standard green outside, yellow inside; wings yellow; keel lighter yellow; closed buds tinged purple at tip.

-12.578889 30.229722 5
84201 Waltheria indica 8 Dec 1993 MC Merello
MC Merello 992 MC Merello 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. 94 0 Zambia 0829D1 N 1000

Perennial herb to 75 cm tall; petals yellow; calyx green.

-8.683333 29.533333 5


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-25

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2025). Flora of Botswana: Records made by Mary Merello.
https://www.botswanaflora.com/speciesdata/utilities/utility-display-records-by-person.php?person_id=526, retrieved 31 March 2025

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