Skip to main content
This species is accepted, and its native range is SW. & S. Tanzania.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
A terrestrial herb 1.5–3 dm. high, glabrous except for the roots.
Vegetative Multiplication Tubers
Tubers ellipsoid or cyhndrical-ellipsoid, 13–18 mm. long, 7–12 mm. in diameter, ± tomentose.
Morphology Roots
Roots slender, flexuous, sparsely pubescent.
Morphology Stem
Stem erect, slender, terete, with 1 or 2 basal leaves and several sheaths almost covering it.
Morphology Leaves
Basal leaves adpressed to the ground, lanceolate, ovate or almost orbicular, acute or shortly acuminate, 1.5–4 cm. long and broad; sheathing leaves 4–6, often slightly overlapping, lanceolate, acute, 1.5–4 cm. long.
Morphology Reproductive morphology Inflorescences
Inflorescence 3–7 cm. long, 2–2.5 cm. in diameter, densely to rather laxly 8–13-flowered; bracts erect at first, reflexed later, lanceolate, acuminate, 1–2 cm. long, the lower ones longer than the flowers.
Morphology Reproductive morphology Flowers
Flowers suberect or half-spreading, yellow, slightly fragrant; pedicel with ovary curved, 7–8 mm. long.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals spreading forwards or somewhat deflexed, united with one another and with the lip at the base for ± 1–2.5 mm..
Morphology Reproductive morphology Flowers Calyx
Intermediate sepal narrowly oblanceolate-oblong, rounded at apex, 5.5–7 mm. long, 1.5 mm. broad; laterals obliquely oblong-elliptical, obtuse, ± 7 mm. long, nearly 2 mm. broad.
Morphology Reproductive morphology Flowers Corolla
Petals similar to intermediate sepal but narrower, 5–6 mm. long; all tepals 3-veined.
Morphology Reproductive morphology Flowers Labellum
Lip erect, very concave and hooded with a short recurved apex, 6–6.5 mm. long, nearly as broad when spread out, 2-spurred at the base.
Morphology Reproductive morphology Flowers Spur
Spurs slender, cylindrical, 12–15 mm. long, ± 1 mm. in diameter near the base.
Morphology Reproductive morphology Flowers Column
Column erect, ± 5 mm. high, the stalk slender; anther-loculi ellipsoid; stigma semi-orbicular, rostellum broad, shortly 3-toothed, the middle tooth bifid.
Habitat
Open upland grassland, rock crevices, etc.; 2550 m.
Distribution
T7 T8

Native to:

Tanzania

Satyrium johnsonii Rolfe appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Johnson, W.P. [s.n.], Tanzania K000416074 holotype
Kerfoot, O. [1689], Tanzania K000390230

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 Tropical East Africa

  • Kraenzl., Orch. Gen. et Sp. 1: 693 (1899).
  • Rolfe in Flora of Tropical Africa 7: 265 (1898).
  • Schltr. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 31: 196 (1901).

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 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