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

[FWTA]

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

Morphology General Habit
A slender terrestrial herb up to 3 ft. high
Ecology
In grasslands.

[FZ]

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

Morphology General Habit
Terrestrial herb 45–85 cm tall; tubers to 5 cm long, ellipsoid, woolly.
Morphology General Shoots
Sterile shoot 3–4-leaved; lowermost 1–2 leaves sheathing; upper leaves up to 18 × 5 cm, lanceolate or elliptic.
Sterile
Sterile shoot 3–4-leaved; lowermost 1–2 leaves sheathing; upper leaves up to 18 × 5 cm, lanceolate or elliptic.
Morphology Stem
Flowering stem with 7–13 sheathing leaves up to 10 cm long.
Fertile
Flowering stem with 7–13 sheathing leaves up to 10 cm long.
Morphology Reproductive morphology Inflorescences
Inflorescence 10–40 × 1.5–2.5 cm, narrowly cylindrical, fairly densely many-flowered.
Morphology Reproductive morphology Flowers
Flowers green or yellow-green, sometimes tinged with brown; scented.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 6–10 mm long, glabrous or slightly papillate.
Morphology Reproductive morphology Inflorescences Bracts
Bracts up to 35 mm long at base of inflorescence, reflexed.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals curled under, joined to each other and lip in lower half or third.
Morphology Reproductive morphology Flowers Calyx
Median sepal 3.5–5 × 0.7 mm, oblanceolate, rounded at apex; lateral sepals slightly longer and about twice as wide, oblique.
Morphology Reproductive morphology Flowers Corolla
Petals similar to median sepal.
Morphology Reproductive morphology Flowers Labellum
Lip 4.5–5.5 mm long, ellipsoid, hooded, the apex reflexed, fleshy with a narrow mouth.
Morphology Reproductive morphology Flowers Spur
Spurs 14–22 mm long, slender, pendent, sometimes with 2 extra rudimentary spurs less than 1 mm long below them.
Morphology Reproductive morphology Flowers Column
Column 3–5 mm long, curved; stigma 1–2 × 1–2 mm; rostellum mid-lobe spoon-shaped from a narrow base, much longer than side lobes.

[FTEA]

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

Morphology General Habit
A terrestrial herb 2–11 dm. high, mostly glabrous.
Vegetative Multiplication Tubers
Tubers globose to fusiform-cylindrical, 1–4.5 cm. long, 7–22 mm. in diameter, ± tomentose.
Morphology Roots
Roots slender, flexuous, pubescent.
Morphology Stem
Fertile stem erect, slender to stout, covered by sheathing leaves; sheaths 8–13(–15), lanceolate, acute, up to 2.5–11 cm. long and 1–3 cm. broad. Sterile stem to 5 cm. long, 3–4-leaved; lower 1–2 leaves short, sheath-like, obtuse, the upper 1–3 lanceolate to oblong-elliptical, acute, up to 5–13 cm. long and 2–6 cm. broad.
Morphology Reproductive morphology Inflorescences
Inflorescence narrowly cylindrical, (5-)10–42 cm. long, 1.5–2.5 cm. in diameter, loosely to densely many-flowered; bracts reflexed, lanceolate, acute, 1–2.5 cm. long.
Morphology Reproductive morphology Flowers
Flowers curved outwards, sessile, green to yellow-green, sometimes tinged purplish or brownish; ovary 5–10 mm. long.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals decurved, united to one another and to the lip in their lower third or half.
Morphology Reproductive morphology Flowers Calyx
Intermediate sepal oblanceolate, rounded, 3.5–5.5 mm. long, scarcely 1 mm. broad; laterals much twisted, obliquely and curved elliptical-oblong, obtuse, 4–6.5 mm. long, ± 1.5 mm. broad.
Morphology Reproductive morphology Flowers Corolla
Petals oblanceolate, rounded, 3–4.5 mm. long, 0.5 mm. broad, pubescent and ciliolate.
Morphology Reproductive morphology Flowers Labellum
Lip ellipsoid, much hooded, the apex shortly recurved, 4–5.5 mm. long.
Morphology Reproductive morphology Flowers Spur
Spurs rather straggling, very slender, 11–23 mm. long, 2 very short additional spurs often present.
Morphology Reproductive morphology Flowers Column
Column inside lip, much curved, 3–5 mm. high; stigma orbicular or broader than high, 1–2 mm. high, rostellum deflexed, 3-lobed, 1.5 mm. long, the side lobes small, triangular, the middle lobe much longer, broadly spoon-shaped from a narrow base.
Habitat
Upland grassland and open woodland or bushland; 1050–2400 m.
Distribution
K2 K3 T2 T3 T6 T7 T8

Native to:

Cameroon, Kenya, Malawi, Nigeria, Sudan, Tanzania, Zambia, Zaïre, Zimbabwe

Satyrium volkensii Schltr. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Apr 15, 1964 Lugard, E.J. [595], Kenya K000416108 Unknown type material
Apr 15, 1964 Lugard, E.J. [595], Kenya K000416109
Apr 1, 1964 Maitland, T.D. [1366], Cameroon K000106552
Richards, H.M. [8081a], Zambia 22978.000
Richards, H.M. [7960], Zambia 23785.000
Bullock, A.A. [2138], Zambia 23786.000
Piers, F. [P.58], Kenya 23787.000
Robson, N.K.B. [1241], Malawi 24544.000
Holmes, W.D. [097], Zambia 24545.000
Milne-Redhead, E. [8894], Tanzania 24546.000
Milne-Redhead, E. [3525], Zambia 24550.000
Ball, J.S. [615], Zimbabwe 24698.000
Chase, N.C. [314], Zimbabwe 24705.000
Richards, H.M. [4149], Zambia 26777.000
Richards, H.M. [4009A], Zambia 26781.000
Richards, H.M. [13906], Tanzania 3012.000
Williamson, G. [242], Zambia 33799.000
Zambia 36492.000
Zambia 36507.000
Cribb, P. [10440], Tanzania 36770.000
Schaijes, M. [2160], Congo, DRC 48948.000
Richards, H.M. [14154], Tanzania 5783.000
Volkens, G. [270], Tanzania K000416110 Unknown type material
Brunt, M.A. [451], Cameroon K000106554
Ujor, E.U. [FHI 30324 b], Cameroon K000106553

First published in Bot. Jahrb. Syst. 24: 425 (1897)

Accepted by

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • 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 Engl., Bot. Jahrb. 24: 425 (1897).

Kew Backbone Distributions

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.

Flora of Tropical East Africa

  • Piers, Orch. E. Afr.: 47 (1959).
  • Rolfe in Flora of Tropical Africa 7: 267 (1898).
  • Schltr. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 24: 425 (1897).
  • Schltr. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 31: 180 (1901), excl. S. chlorocorys.
  • Summerh. in Flora of West Tropical Africa, ed. 2, 3: 201(1968).
  • Summerh. in Kew Bulletin 8: 577 (1954).
  • Tweedie in Journ. E.A. Nat. Hist. Soc. 24: 29 (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