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This species is accepted, and its native range is Tropical Africa.
A specimen from Kew's Herbarium

[FZ]

Orchidaceae, I. la Croix and P.J. Cribb. Flora Zambesiaca 11:1. 1995

Morphology General Habit
Terrestrial herb perennating by testicular tubers. Plants erect, 35–60 cm tall.
Morphology Leaves
Cauline leaves imbricate, grading into the floral bracts, sheathing at the base; free blades up to 15 cm long, lanceolate to narrowly lanceolate, acute to acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence lax, 8–20 cm long, 10–40-flowered.
Morphology Reproductive morphology Inflorescences Bracts
Floral bracts green to somewhat papery, ovate, acute to subacuminate, variable in length but usually shorter than the ovaries.
Morphology Reproductive morphology Flowers
Flowers violet to purple, rarely the lip or the flowers whitish.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal rotund, apiculate; galea 6–8 mm long, 5–8(10) mm wide and 3–4(6) mm deep. Lateral sepals 6–8 mm long, oblong, rarely ovate to obovate, rounded, apiculi blunt.
Morphology Reproductive morphology Flowers Spur
Spur straight with the apex often upcurved, 6–8 mm long, subconic or cylindric to usually somewhat laterally compressed, apex subclavate.
Morphology Reproductive morphology Flowers Corolla
Petals 4.5 × c. 1.5 mm, falcate, truncate.
Morphology Reproductive morphology Flowers Labellum
Lip 4.5–6 mm long, oblong, rounded, upper surface convex and papillate.
Morphology Reproductive morphology Flowers Rostellum
Rostellum attached to the petal by a keel.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther c. 3 mm long.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma almost horizontal and square.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary (8)10–13(15) mm long.

[FWTA]

Orchidaceae, V. S. Summerhayes. Flora of West Tropical Africa 3:1. 1968

Morphology General Habit
A slender terrestrial herb 1-2 ft. high
Morphology Reproductive morphology Inflorescences
A rather lax inflorescence of small purple flowers.

Native to:

Angola, Burundi, Cameroon, Central African Repu, Congo, Malawi, Mozambique, Nigeria, Tanzania, Zambia, Zaïre, Zimbabwe

Disa equestris Rchb.f. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 2004 Pollard, B.J. [963], Cameroon 77355.000
Jan 1, 1898 Welwitsch [717], Angola K000077532 isotype
Richards, H.M. [3788], Zambia 18529.000
Watermeyer, A.M. [213], Tanzania 18531.000
Bullock, A.A. [2091], Zambia 20905.000
Richards, H.M. [17433], Zambia 24836.000
King, D.E.S. [90], Nigeria 26402.000
Williamson, G. [637], Zambia 33155.000
Williamson, G. [185], Zambia 33973.000
Fay, J.M. [7340], Central African Republic 49511.000
Milne-Redhead, E. [7961], Tanzania 9412.000
Robinson, E.A. [4161], Zambia 9413.000
Milne-Redhead, E. [3569], Zambia 9414.000
Holmes [112] 77401.000
Brunt, M.A. [260 a], Cameroon K000106535

First published in Flora 48: 181 (1865)

Accepted by

  • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • F.T.A. 7: 284.
  • in Flora 48: 181 (1865)

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

Flora of West Tropical Africa
Flora of West Tropical 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 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