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


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

Morphology General Habit
A terrestrial herb 2.5–7 dm. high, glabrous except for the roots.
Vegetative Multiplication Tubers
Tubers small, ovoid or ellipsoid, 1–2 cm. long, 5–8 mm. in diameter, ± tomentose.
Morphology Roots
Roots in a tuft, numerous, flexuous, pubescent.
Morphology Stem
Stem erect, rather stout, terete, leafy along its length.
Morphology Leaves
Leaves 7–11, mostly bunched towards the base of the stem; lowest one sometimes sheath-like, 4–6 above spreading or suberect, sometimes ± recurved, lanceolate to broadly ovate, acute, the largest 8–28 cm. long and 3–5.5 cm. broad, upper ones sheathing, often much smaller than the lower ones, lanceolate, acute.
Morphology Reproductive morphology Inflorescences
Inflorescence cylindrical, 5–24 cm. long, 3–4 cm. in diameter, densely 11- to many-flowered; bracts soon reflexed, lanceolate, acute, 1.3–3.2 cm. long, lower ones longer than the flowers.
Morphology Reproductive morphology Flowers
Flowers spreading or half-spreading, usually bright pink to crimson, sometimes paler pink; ovary with pedicel curved, ± 1 cm. long.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals projecting forwards, united to one another and to the lip in their basal quarter or fifth only.
Morphology Reproductive morphology Flowers Calyx
Intermediate sepal oblanceolate, obtuse, 8–12 mm. long, 2–3 mm. broad; laterals obliquely oblanceolate-oblong or elliptical-oblong, obtuse, equalling the intermediate but slightly broader.
Morphology Reproductive morphology Flowers Corolla
Petals similar to the intermediate sepal; all tepals 2–3-veined.
Morphology Reproductive morphology Flowers Labellum
Lip very convex, hooded, the extreme apex shortly recurved, 7–10 mm. long, the mouth 6–7 mm. broad, 2-spurred at base.
Morphology Reproductive morphology Flowers Spur
Spurs slender, parallel to the ovary, 12–18 mm. long, ± 1.5 mm. in diameter at the base.
Morphology Reproductive morphology Flowers Column
Column erect, enclosed by the lip, the slender stalk equalling or exceeding the fertile part in length, 6–8 mm. high; anther-loculi pendent, ellipsoid; stigma erect, semi-orbicular, 2.5–3 mm. broad, rostellum projecting downwards, 3-lobed, the side lobes short, acute, the middle lobe much longer, spoon-shaped from a narrower base.
Swampy grassland or bogs, especially near streams; 1350–3300 m.
not known elsewhere K3 K4 T2 T7 T8 U3

Native to:

Kenya, Tanzania, Uganda

Satyrium robustum Schltr. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Richards, H.M. [4680], Tanzania 23794.000
Tweedie, E.M. [837], Kenya 24571.000
Tweedie, E.M. [810], Kenya 24572.000
Richards, H.M. [14237A], Tanzania 26763.000
Stolz, A. [2349], Tanzania K000416088 isotype
Stolz, A. [2349], Tanzania K000416089 isotype
Staples, R.R. [159], Tanzania K000390220
Procter, J. [1574], Tanzania K000390224
Richards, H.M. [7680], Tanzania K000390219
Linder [3542], Zaire K000390226
Pettersson, B. [201], Tanzania K000390225
La Croix [358], Malawi K000390222
Brenan, J.P.M. [8222], Tanzania K000390223
Cuthbert, N.F. [38], Tanzania K000390221

First published in Bot. Jahrb. Syst. 53: 530 (1915)

Accepted by

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


Flora of Tropical East Africa

  • Schltr. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 53: 530 (1915).

Flora of Tropical East Africa
Flora of Tropical East Africa

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 World Checklist of Selected Plant Families.

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.