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This species is accepted, and its native range is Tanzania to S. Tropical Africa.

[FTEA]

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

Morphology General Habit
Annual herb 0.2–1 m high, erect; stem simple or branched, reddish or speckled with reddish, glabrous or pilose.
Morphology Leaves
Leaves pinnate to bipinnatifid, 2–13 cm long and to 6 cm wide, segments 3–5, narrowly linear to filiform, to 50 by 2 mm, minutely ciliate and sometimes sparsely hispidulous; (pseudo)petiole to 50 mm long, narrowly winged.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula solitary and terminal; peduncle to 15 cm long; involucre 4–8 mm long, lengthening to 13 mm in fruit; outer phyllaries 4–9, green to reddish, often reflexing, glabrous or ciliate, inner phyllaries ± 8, pale brown with dark red or purple margins or red all over, glabrous or pubescent.
Morphology Reproductive morphology Flowers Florets
Ray florets yellow, the upper part paler, neuter, 5–8, rays 6–7x1–1.5 mm, striate; disc florets yellow, campanulate, the lobes glabrous or puberulous.
Morphology Reproductive morphology Fruits
Achenes black or dark brown, narrowly ellipsoid with beak, appressed hairy; beak up to 2.5 cm or up to 24 cm long, with 2–3 aristae 1–2.5 mm long, retrorsely barbed.

Native to:

Angola, Malawi, Mozambique, Tanzania, Zambia, Zaïre

Bidens acuticaulis Sherff appears in other Kew resources:

First published in Bot. Gaz. 59: 301 (1915)

Accepted by

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

Literature

Flora of Tropical East Africa

  • Mesfin in Kew Bulletin 48: 492 (1993).
  • Sherff in Bot. Gaz. 59: 301 (1915)
  • Sherff in Field Mus. Nat. Hist., Bot. Ser. 16: 347, fig. 104/j–r (1937).

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0