Acanthaceae
Duosperma

Duosperma quadrangulare (Klotzsch) Brummitt

First published in Kew Bull. 29: 412 (1974)
This species is accepted
The native range of this species is Tanzania to Caprivi Strip. It is a subshrub or tuberous geophyte and grows primarily in the seasonally dry tropical biome.

Distribution

Native to:

Angola, Botswana, Caprivi Strip, Malawi, Mozambique, Tanzania, Zambia, Zaïre, Zimbabwe

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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Publications

POWO follows these authorities in accepting this name:

  • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots'. Phytotaxa 250: 1-431.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.
  • Vollesen, K. (2008). Flora of Tropical East Africa, Acanthaceae(1): 1-285.

Flora Zambesiaca

  • Brummitt in Kew Bull. 29: 412 (1974).
  • Vollesen in F.T.E.A., Acanthaceae 1: 242, fig.37 (2008).
  • Vollesen in Kew Bull. 61: 300, fig.3 (2006);

Kew Backbone Distributions

  • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots'. Phytotaxa 250: 1-431.

Flora of Tropical East Africa

  • K.B. 29: 412 (1974)
  • K.B. 62: 300, fig. 3 (2006).
  • Lebrun & Stork, Enum. Pl. Afr. Trop. 4: 479 (1997)
  • Mapura & Timberlake, Checklist Zimb. Vasc. Pl.: 13 (2004)
  • Opera Bot. 59: 80 (1980)
  • Phiri, Checklist Zamb. Vasc. Pl.: 18 (2005)
  • Ruffo, Cat. Lushoto Herb. Tanzania: 4 (1996)
  • Setshogo, Prelim. Checklist Botswana: 18 (2005)
  • Strelitzia 14: 98 (2003)
  • Syst. Geogr. Pl. 75: 56 (2005)

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
May 4, 2005 Whyte, A. [s.n.] Malawi K000393955 Lectotype Yes
May 4, 2005 Kirk [s.n.] Mozambique K000393956 Type Yes
May 4, 2005 Johnston, H.H. [s.n.] Angola K000393952 Type Yes
May 4, 2005 Baum, H. [32] Angola K000393954 Type Yes
May 4, 2005 Grandvaux Barbosa, L.A.; de Lemos, F. [8585] Mozambique K000393957 Neotype Yes
May 4, 2005 Johnston, H.H. [s.n.] Angola K000393953 Unknown Type Material Yes
Borges, E.A.J. [95] Angola K001009394 Yes
Osborne, J.; Banze, A.; Datizua, C.; Mamba, A.; Mucaleque, P.; Rachide, T.; Maoji, S.O. (guide) [JO1692] Mozambique K001346934 No
Pearson, H.H.W. [2555] Angola K001009393 Yes
Bidgood, S.; Hoenselaar, K.; Leliyo, G.; Vollesen, K. [6282] Tanzania K000468143 No

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • 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 Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0