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This species is accepted, and its native range is Sudan to Namibia.
Bidens schimperi Sch. Bip. ex Walp.


M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008]

Morphology General Habit
Erect annual herb, c. 50 cm high
Morphology Leaves
Leaves with petiole 1–3 cm long; blade two to three times pinnatisect, densely resinous-punctate, segments ovate or narrowly oblong-ovate, pubescent
Morphology Reproductive morphology Inflorescences
Capitula 2.5–4 cm wide and 0.5–0.8 cm high at anthesis
Morphology Reproductive morphology Inflorescences Bracts Phyllaries
Outer phyllaries green, 8, linear to oblanceolate, 2.5–10 x 0.5–1.2(–2) mm Inner phyllaries greenish-orange with pale-yellow scarious margins, 8, oblong-ovate, 3.5–8 x 1.2–3.5 mm
Ray florets yellow, 6–8, neuter with aristate ovary; blade with 9–13 orange striations, 6–20 x 5–7 mm, minutely 2–3-cleft at the apex
Morphology Reproductive morphology Flowers Disc
Disk florets with corolla 3.5–4 mm long
Morphology Reproductive morphology Fruits
Achenes dark brown or black, 8-striate-sulcate, strigose, narrowly oblong or oblong-elliptic, the outer 3–10 x 1–3.2 mm, the inner 5.5–16 x 0.8–3.2 mm, margins often with yellowish tubercles and bristles
Morphology Reproductive morphology Seeds Pappus
Pappus aristae 2, 0.2–4 mm long, divergent or erect, backwardly barbed.
N1, 2 in eastern Africa from southern Egypt southwards to Natal in South Africa.
Altitude range c. 1150 m.


Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Annual herb 0.07–1.5 m high; stem 4-angled, simple to much branched, often with red or purple markings, sparsely to densely pubescent.
Morphology Leaves
Leaves broadly ovate in outline, tripartite with lobed parts, rarely simple or bi- to tri-pinnatisect, 2.5–20(–30) cm long, 1.5–10(–15) cm wide, leaf segments ovate to narrowly ovate, the margins lobed, entire, incised-dentate to crenate-serrate, pubescent, especially above, rarely almost glabrous, densely glandular-punctate; petiole 10–55(–120, fide EA) mm long.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula erect or nodding, in lax terminal corymbose cymes; peduncle 2–18 cm long; outer phyllaries 8, linear, 2.5–10 mm long, sparsely pubescent, inner phyllaries 8, 3.5–11 mm long, pubescent or glabrous, light brown to red with a wide yellow margin.
Morphology Reproductive morphology Flowers Florets
Ray florets yellow or occasionally orange, neuter, 6–8, rays 6–20 mm long, tube ± 1.5 mm long; disc florets dull yellow to orange, ± 4 mm long.
Morphology Reproductive morphology Fruits
Achenes dark brown to black, 3–10 mm long (outer) to 5–16 mm long (inner), striate, strigose, compressed or flat, sometimes margins callose-thickened; aristae 2, 0.2–4 mm long, retrorsely barbed.
ay be abundant in disturbed, overgrazed or burnt soil, and may form stands in wheat fields; also in grassland, bushed or wooded grassland (especially on black cotton soils), woodland, evergreen bushland and secondary thicket; 400–2600 m
K4 K6 K7 T1 T2 T3 T4 T5 T6 T7 T8

Native to:

Angola, Djibouti, Eritrea, Ethiopia, Kenya, Malawi, Mozambique, Namibia, Somalia, Sudan, Tanzania, Zambia, Zimbabwe

Black jack, Mnondo bur marigold, Yellow cosmos

Bidens schimperi Sch.Bip. ex Walp. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 2008 Klaasens [EK805], Namibia K000450176
Jan 1, 1965 Martin, J.D. [3379], Zambia K000410645 holotype
Jan 1, 1965 Johnson, W.P. [341] K000410646 holotype
Jan 1, 1965 Swynnerton, C.F.M. [1884], Zimbabwe K000410648 isotype
Ash [1268], Ethiopia 35647.000
Schimper [1429], Ethiopia K000410586 isotype
Schimper [1429], Ethiopia K000410587 isotype
Schimper [1429], Ethiopia K000410588 isotype
Volkens, G. [384], Tanzania K000410600 isolectotype
Pax, R.D. [206], Tanzania K000410602 holotype
Johnson, W.P. [343] K000410647 holotype

First published in Repert. Bot. Syst. 6: 168

Accepted by

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.


Flora of Somalia

  • Flora Somalia, (2000) Author: by Mesfin Tadesse [updated by M. Thulin 2008]
  • Mesfin Tadesse in Kew Bull. 48: 437–516 (1993).
  • Mesfin Tadesse in Symb. Bot. Upsal. 24: 1–138 (1984)

Flora of Tropical East Africa

  • A.D.Q. Agnew, Upland Kenya Wild Flowers p. 466 (1974).
  • Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 217, t. 89 (1994).
  • Cribb & Leedal, Mountain Flow. S. Tanz.: 151, fig. 40b (1982).
  • F. W. Andr., The Flowering Plants of the Sudan 3: 11 (1956).
  • Mesfin in Kew Bulletin 48: 497 (1993).
  • Mesfin in Symb. Bot. Upsal. 24: 110, fig. 56 (1984)
  • Oliv. & Hiern, Flora of Tropical Africa 3: 393 (1877).
  • Sherff in Bot.Gaz. 81: fig. 3 (1926)
  • Sherff in Field Mus. Nat. Hist., Bot. Ser. 16: 554, fig. 142/i–g, 143, 144 (1937).
  • Walp., Repert. 6: 168 (1846).
  • Wild in Kirkia 6: 23 (1967).

Flora of Somalia
Flora of Somalia

Flora of Tropical East Africa
Flora of Tropical East Africa

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