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This species is accepted, and its native range is Nigeria to Kenya and Zambia.
A specimen from Kew's Herbarium

[FWTA]

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

Morphology General Habit
A terrestrial herb up to 2 ft. high
Morphology Reproductive morphology Flowers
White or pink-tinged rather waxy flowers
Ecology
In grasslands.

[FZ]

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

Morphology General Habit
Terrestrial herb 25–65 cm tall; tubers 1–3 cm long, ovoid or ellipsoid, tomentose.
Morphology Leaves
Basal leaves 2, appressed to ground, the larger up to 6 × 10 cm, ovate, orbicular or reniform, glabrous, rather fleshy; stem with c. 4 sheathing leaves, 2–6.5 cm long.
Morphology Reproductive morphology Inflorescences
Inflorescence 4–16 × 3–6 cm, fairly densely few- to c. 20-flowered.
Morphology Reproductive morphology Flowers
Flowers scented, white, the tips of the spurs green.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary c. 10 mm long, with 6 wings.
Morphology Reproductive morphology Inflorescences Bracts
Bracts up to 30 × 17 mm, reflexed.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals projecting or deflexed, joined shortly at base to each other and to the lip.
Morphology Reproductive morphology Flowers Calyx
Median sepal 7–17 × 3–4 mm, oblong, obtuse; lateral sepals 9–20 × 4.5–7 mm, obliquely oblanceolate, obtuse.
Morphology Reproductive morphology Flowers Corolla
Petals 7–14 × 2.5–5 mm, oblanceolate, rounded.
Morphology Reproductive morphology Flowers Labellum
Lip 9–16 mm long with 2–3 mm reflexed at apex, 11–14 mm wide when spread out, very convex, forming a hood with a prominent keel.
Morphology Reproductive morphology Flowers Spur
Spurs 8–10 mm long, tapering from a wide mouth to an acute apex, parallel to ovary.
Morphology Reproductive morphology Flowers Column
Column 4–7 mm high, curved; stigma 2–3 × 3–4 mm; rostellum mid-lobe 1.5 × 1.5 mm.

[FTEA]

Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
A terrestrial herb 2.5–6.5 dm. high, glabrous except for the roots.
Vegetative Multiplication Tubers
Tubers ovoid or narrowly ellipsoid, 1–3 cm. long, ± 1 cm. in diameter, tomentose.
Morphology Roots
Roots flexuous, slender, pubescent.
Morphology Stem
Stem erect, terete, with 2 basal leaves and several distant sheaths.
Morphology Leaves
Two basal leaves subopposite, broadly ovate to reniform, adpressed to the ground, 1.5–6 cm. long, 1–9.5 cm. broad; sheathing leaves 3–5, scattered along the stem, lanceolate, 2–6.5 cm. long, 1–2 cm. broad.
Morphology Reproductive morphology Inflorescences
Inflorescence rather dense, 4–15 cm. long, 3–5 cm. in diameter, 3–18-flowered; bracts at first erect, later reflexed, lanceolate, 1.5–3 cm. long.
Morphology Reproductive morphology Flowers
Flowers spreading, white; pedicel with ovary straight, ± 1 cm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals ± deflexed, united shortly at the base to the petals and lip; intermediate sepal oblanceolate or oblong, obtuse, 7.5–17 mm. long, 3–4 mm. broad; laterals obliquely oblanceolate, rounded at apex, 9.5–19 mm. long, 3–7 mm. broad.
Morphology Reproductive morphology Flowers Corolla
Petals oblanceolate, rounded at apex, 8–15 mm. long, 2.5–5 mm. broad; all tepals several-nerved.
Morphology Reproductive morphology Flowers Labellum
Lip erect, very convex and almost hooded, with a broad mouth and a projecting ± curved-back apex, 9–16.5 mm. long and ± as broad when spread out, 2-spurred at the base.
Morphology Reproductive morphology Flowers Spur
Spurs parallel to the ovary, ± curved, tapering from a broad base, 6–14 mm. long.
Morphology Reproductive morphology Flowers Column
Column ± enclosed in the lip, bow-shaped towards the back, 4–7 mm. high, the stalk thick, curved; anther-loculi horizontal, within the bend of the column; stigma semi-orbicular, 2–3 mm. high and 3–4 mm. broad, rostellum side lobes short, triangular, the middle lobe much larger, projecting downwards with apical part hooked upwards, ovate, acute.
Habitat
Open grassland or at edge of Brachystegia woodland; 1450–2100 m.
Distribution
K2 K3 K5 T4 T7 T8 U1 Nigeria eastwards to Congo Republic, Zambia and Malawi

Native to:

Burundi, Cameroon, Kenya, Malawi, Nigeria, Rwanda, Tanzania, Uganda, Zambia, Zaïre

Satyrium carsonii Rolfe appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Feb 6, 1964 Lely, H.V. [344], Nigeria K000416069
Feb 6, 1964 Stolz, A. [2549], Tanzania K000416070 Unknown type material
Richards, H.M. [8083], Zambia 22992.000
Milne-Redhead, E. [3728], Zambia 23814.000
Richards, H.M. [12030], Zambia 23815.000
Richards, H.M. [10785], Zambia 23816.000
Robinson, E.A. [4241], Zambia 23817.000
Richards, H.M. [4328], Zambia 23818.000
Richards, H.M. [4133], Zambia 23819.000
Milne-Redhead, E. [8588], Tanzania 24585.000
Richards, H.M., Zambia 24586.000
Holmes, W.D. [0124], Zambia 26767.000
Williamson, G. [673], Zambia 33955.000
Morze, G. [39], Zambia 36600.000
Schaijes, M. [2150], Congo, DRC 48950.000
Brummitt, R. [13758], Zambia 56986.000
Carson, A. [3], Zambia K000416071 lectotype
Carson, A. [5], Zambia K000416072
Holmes, W.D. [0124], Zambia 75888.000

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 265 (1898)

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

  • in F.T.A. 7: 265 (1898).

Flora of Tropical East Africa

  • Piers, Orch. E. Afr.: 44 (1959).
  • Rolfe in Flora of Tropical Africa 7: 265 (1898).
  • Summerh. in Flora of West Tropical Africa, ed. 2, 3: 201, fig. 386 (1968).
  • Summerh. in Kew Bulletin 20: 170 (1966).
  • Tweedie in Journ. E.A. Nat. Hist, Soc. 24: 13 (1964).

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

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