Melasma calycinum Del. Christine Grey-Wilson Hedbergia abyssinica Del. Christine Grey-Wilson 20 mm 20 mm Lindernia nummulariifolia Del. Sandie Burrows Halleria lucida Del. Sandie Burrows 20 mm Cycnium adonense Del. Sandie Burrows Plants of the Nyika Plateau 267
SCROPHULARIACEAE Erect or scrambling perennial herb from a woody rootstock, with several much-branched hairy stems; leaves opposite, more or less sessile, thick, rigid, spreading, 3–12 x 1–2 mm, margins serrate to crenate; flowers single, alternate, axillary, white to pale pink or purplish, bell-shaped, equally 5-lobed; in open grasslands or on forest margins; 2,150–2,440 m. Nyika Plateau northwards to Nigeria, Ethiopia, Sudan, and Kenya. A monotypic genus confined to tropical Africa. Source. Flora zambesiaca 8(2): 156 (1990). Malawi. Nyika Plateau, below Sangule Kopje, 7 km S.W. of Chelinda Camp, 2,255 m, 1970, Brummitt 10759 (K, SRGH). Zambia. Nyika Plateau, near source of Chire River, 2,135 m, 1952, White 2748 (K). No country given. 1955, Lees 72 (UZL). Limosella australis R.Br. Limosella subulata Ives Small creeping or submerged tufted amphibious herb; leaves cylindrical or subulate (awl-shaped), 15–80 x 0.3–15 mm; flowers white, blue beneath, on stalks 5–35 mm long; fruit a round capsule 2–2.5 mm diameter; in shallow lakes or on muddy lakesides; up to 2,340 m in the Flora zambesiaca area. Zimbabwe and Malawi; also in N. America, Europe, Australia. Source. Flora zambesiaca 8(2): 73 (1990). Malawi. Nyika Plateau, Lake Kaulime, 2,150 m, 1958, Robson & Angus 320 (K, LISC, SRGH). Lindernia nummulariifolia (D.Don) Wettst. Erect annual herb 30–140 mm tall, stems simple or basally branched; leaves subsessile, ovate, ovate to round, 9–15 x 5–13 mm, margins serrate to crenate, lower surface with a few hairs; flowers single in axils, stalks 3–14 mm long, corolla blue to violet, ca 6 mm long; fruit a round to cylindric, beaked capsule; on wet soils in marshes and riversides, in crevices on granite outcrops; up to 1,600 m. From Zimbabwe through much of tropical Africa; also through southern Asia to China. Source. Flora zambesiaca 8(2): 65 (1990). Malawi. Nyika National Park, without locality or collecting details (Mill 1979); Dembo Bridge, 2000, Winter 4032 (MAL, PRE, UZL). Melasma calycinum (Hiern) Hemsl. Velvitsia calycina Hiern Erect perennial herb to 0.75 m tall, stems leafy, simple, rarely branched; leaves opposite, ovate to ovate-lanceolate, 25–67 x 7–28 mm, margins crenate to toothed or lobed, hispid-scabrid on both surfaces; flowers alternate or clustered terminally, yellow to orange or white with reddish or purplish veining, 5-lobed; in swamps, marshes, and wet grassland along rivers; 1,200– 2,250 m. Zimbabwe, Malawi, Zambia, and Angola. Source. Flora zambesiaca 8(2): 84 (1990). Malawi. Nyika National Park, without locality or collecting details (Mill 1979). Rhamphicarpa fistulosa (Hochst.) Benth. Macrosiphon fistulosus Hochst. Erect, branched annual herb 50–500 mm tall; leaves pinnatisect, the segments filiform, less than 1 mm wide; flowers solitary, stalk 9–20 mm long, corolla white, cream, pale pink or pale blue, 5-lobed, with a tube 25–30 mm long; on peaty soils over sheetrock, on or between rocks in shallow, slowrunning rivers or streams, but more frequently near rivers and in grassy swamps; 600–1,750 m. Widespread from W. Africa, Chad, and Sudan, through Central and E. Africa S. to South Africa; also in Madagascar, New Guinea, and Australia. Source. Flora zambesiaca 8(2): 135 (1990). Malawi. Nyika Plateau, 1903, McClounie 96 (K). Sibthorpia europaea L. Sibthorpia prostrata Salisb.; Sibthorpia europaea var. africana Hook.; Sibthorpia australis Hutch. Prostrate, creeping herb, rooting at nodes, all parts hairy; leaves roundish, deeply cordate, 5–15 mm diameter, petioles 5–30 mm long; flowers single, small, in leaf axils, stalks 2–5 mm long, corolla to 2 mm long, yellow to purple; on streamsides, river-banks, and moist areas, usually in shade; up to 2,150 m. Zimbabwe and Zambia; also in Europe and the Azores, and 268 Plants of the Nyika Plateau from Ethiopia to Tanzania. Source. Flora zambesiaca 8(2): 75 (1990). Zambia. Nyika Plateau, below Rest House on path to N. Rukuru (Chisanga) Waterfall, 2,150 m, 1958, Robson 402 (K). Sopubia eminii Engl. Sopubia trifida sensu Skan in F.T.A. Delicate erect, scabrid, annual herb, stems simple to much-branched basally, obscurely angled; upper leaves undivided with the lower leaves trifid or 5-fid; flowering stalks 5–9 mm long, flowers yellow or white with a purple centre, calyx lobe margins only slightly woolly; in woodland, grassy places, and hillsides; up to 2,300 m. Zimbabwe, Zambia, Malawi, Tanzania, Kenya, and Uganda. Source. Flora zambesiaca 8(2): 146 (1990). Malawi. Nyika Plateau, S. of Chelinda above Mwenyenyesi Dam, 2,200– 2,300 m, 1977, Grosvenor & Renz 1126 (K, SRGH). Sopubia karaguensis Oliv. var. karaguensis Sopubia welwitschii Engl. var. micrantha Engl.; Sopubia fastigiata Hiern Erect robust perennial herb to 1 m tall, stems pubescent to long-pilose or more or less hairless; leaves undivided or 3- to 5-fid, often with smaller leaves in axils, hairy and scabrid; flowering stalks 0–6.5 mm long, flowers pink, mauve or purple, outer calyx densely woolly, 6–11 mm long; in damp areas; up to 1,450 m. Zimbabwe, Mozambique, Malawi, Zambia, Tanzania, Kenya, and Uganda. Source. Flora zambesiaca 8(2): 149 (1990). Malawi. Nyika National Park, near base of Nganda mountain, 1977, Grosvenor & Renz 1155 (K, SRGH); Mbuzinandi, 2000, Salubeni & Mwanyambo 6813 (MAL); without locality or collecting details (Patel 1999). Sopubia mannii Skan var. mannii (Engl. & Gilg) Hepper Erect, rigid, scabrid branched herb 0.2–1.5 m tall, stems very leafy, arising from a woody rootstock; leaves linear to filiform, undivided, closely arranged on stem, midrib often obscure; flowering stalk 2–10 mm long, flowers pink to mauve to purple, calyx hairy; in grassland; 1,500–2,600 m. Zimbabwe, Mozambique, Zambia, Malawi, Tanzania, Uganda, Tanzania, Ivory Coast, and Cameroon. Source. Flora zambesiaca 8(2): 144 (1990). Malawi. Nyika Plateau, Nganda Peak, 2,600 m, 1969, Pawek 2074 (K). Sopubia mannii Skan var. tenuifolia (Engl. & Gilg) Hepper Sopubia dregeana var. tenuifolia Engl. & Gilg; Sopubia trifida forma humilis Engl. & Gilg As for var. mannii, but with the leaves undivided or 3- to 5-fid, more openly arranged, and the flowering stalks 12–18 mm long; in wet and dry grassland, bordering rivers, and among rocks; 1,000–2,500 m. Mozambique, Zimbabwe, and Botswana northwards to Angola, Zambia, Uganda, and Kenya; also in Sierra Leone. Source. Flora zambesiaca 8(2): 145 (1990). Malawi. Nyika Plateau, 25.6 km E. of Rest House, 2,438 m, 1957, Boughey 1635 (K). Sopubia ramosa (Hochst.) Hochst. Sopubia similis Skan in F.T.A. Erect, scabrid, much-branched perennial shrublet, stems branching, densely hairy; leaves linear to lanceolate, undivided or trifid, scabrid, midrib prominent below; flowering stalks 1.5–4.5 mm long; flowers pink, lilac or lavender, calyx shortly scabrid-pubescent without; on forest margins, in open woodland or grassy hillsides and plains; from almost sea level in Mozambique to over 2,200 m. Zimbabwe and Mozambique, though Central and W. Africa, to Sudan and Ethiopia. Source. Flora zambesiaca 8(2): 145 (1990). Malawi. Nyika National Park, Dembo Bridge, 2000, Thera 3002 (MAL); Chosi Viewpoint, 2000, Mwanyambo 482 (MAL). Zambia. Lundazi District, Nyika Plateau, Kangampande Mt. (Chowo area), 2,130 m, 1952, White 2743 (BR, K). Sopubia simplex (Hochst.) Hochst. Sopubia dregeana Benth., nom. illeg.
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