Genus:
Bidens L.

Bidens fischeri (O.Hoffm.) Sherff

This species is accepted, and its native range is Tanzania.

[FTEA]

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

Morphology General Habit
Trailing or straggling herb to 2 m long; stem rooting at lower nodes, leafy throughout.
Morphology Leaves
Leaves deltoid in outline, bipinnatisect, 4–13 cm long, 2.5–8 cm wide, pinnae ovate to lanceolate, pinnules deeply lobed, apices acute or acuminate, with appressed white hairs above; petiole to 55 mm long.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula terminal, solitary or in pairs, radiate; peduncle to 9 cm long; involucre 6–13 mm long; outer phyllaries 8, green, pilose, inner phyllaries 8, brownish orange in fruit, glabrous; paleae to 12 mm long, glabrous.
Morphology Reproductive morphology Flowers Florets
Ray florets yellow, neuter, 8–13, rays 30–35x5–7.5 mm; disc florets yellow, 5 mm long.
Morphology Reproductive morphology Fruits
Achenes black or dark brown, oblong, compressed, outer 4–5 mm long, inner 7–9 mm long, glabrous; aristae 2, yellow, 2–3.5 mm long, retrorsely barbed.
Habitat
oist forest and its clearings; 1800–2350 m
Distribution
T7 not known elsewhere

Native to:

Tanzania

Bidens fischeri (O.Hoffm.) Sherff appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Jan 1, 1983 Richards, H.M. [6498], Tanzania K000410625 neotype Yes

First published in Bot. Gaz. 76: 158 (1923)

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: 475 (1993).
  • Sherff in Bot. Gaz. 76: 158 (1923)
  • Sherff in Field Mus. Nat. Hist., Bot. Ser. 16: 553, fig. 142/a–h (1937).

  • Flora of Tropical East Africa

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

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. 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