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This species is accepted, and its native range is Tanzania to S. 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 45–90 cm high; tubers to 4.5 × 2 cm, ovoid or ellipsoid, woolly.
Sterile
Sterile shoot 3–4-leaved; lowermost 1–2 leaves loosely sheathing; upper leaves to 17 × 3.5 cm, lanceolate or oblanceolate.
Morphology General Shoots
Flowering shoot with 6–10 loosely sheathing leaves up to 12 cm long. Sterile shoot 3–4-leaved; lowermost 1–2 leaves loosely sheathing; upper leaves to 17 × 3.5 cm, lanceolate or oblanceolate.
Fertile
Flowering shoot with 6–10 loosely sheathing leaves up to 12 cm long.
Morphology Reproductive morphology Inflorescences
Inflorescence 15–30 × 1.5–2 cm, narrowly cylindrical, fairly laxly many-flowered, the rhachis visible between the flowers.
Morphology Reproductive morphology Flowers
Flowers greenish-white turning brown, rhachis and ovary pinkish.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Ovary and pedicel 5–7 mm long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts up to 27 mm long at base of inflorescence, reflexed.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals curled under, joined to each other and lip in basal third.
Morphology Reproductive morphology Flowers Calyx
Median sepal 4–6 × c. 1 mm, oblong, rounded; lateral sepals similar but about twice as wide and oblique.
Morphology Reproductive morphology Flowers Corolla
Petals 3.5–4.5 × c. 1 mm, the edge ciliolate.
Morphology Reproductive morphology Flowers Labellum
Lip 4.5–6 mm long, 5.5–7.5 mm wide when flattened, ellipsoid or obovoid with a narrow mouth, the apex slightly reflexed.
Morphology Reproductive morphology Flowers Spur
Spurs 5–8 mm long, parallel to ovary.
Morphology Reproductive morphology Flowers Column
Column curved, 4 mm high; stigma 1.5–2 mm; rostellum mid-lobe broadly 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 4.5–9 dm. high, glabrous except for the roots.
Vegetative Multiplication Tubers
Tubers ellipsoid to elongate-ovoid, 4–4.5 cm. long, 1–2 cm. in diameter, densely tomentose.
Morphology Roots
Roots slender, flexuous, pubescent.
Morphology Stem
Sterile stem to 7 cm. long, 3–4-leaved; 2 lower leaves sheath-like, obtuse, the upper leaves lanceolate to oblanceolate, acute, up to 17–19 cm. long and 3.5–5.5 cm. broad. Fertile stem slender to rather stout, almost covered by sheathing leaves; sheaths 6–10, lanceolate, acute, up to 5–12 cm. long and 1.5–3 cm. broad.
Morphology Reproductive morphology Inflorescences
Inflorescence narrowly cylindrical, 11–30 cm. long, 2 cm. in diameter, rather loosely many-flowered; bracts soon reflexed, lanceolate, acute, 8–27 mm. long, the lower ones longer than the flowers.
Morphology Reproductive morphology Flowers
Flowers curved outwards, sessile, green or greenish-white, becoming brown; ovary stout, 5–7 mm. long.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals much decurved, united to one another and to the lip in their basal third.
Morphology Reproductive morphology Flowers Calyx
Intermediate sepal elliptical-oblong, rounded, 4–5 mm. long, scarcely 1 mm. broad; laterals obliquely oblanceolate-oblong, obtuse, a little longer than the intermediate, ± 1.5 mm. broad, 2-veined.
Morphology Reproductive morphology Flowers Corolla
Petals oblanceolate, rounded, shorter than sepals, 0.5 mm. broad, 1-veined.
Morphology Reproductive morphology Flowers Labellum
Lip ellipsoid, with a narrow mouth, the apex shortly recurved, 5.5–8 mm. long.
Morphology Reproductive morphology Flowers Spur
Spurs parallel to ovary, 6–7.5 mm. long, ± 1 mm. in diameter, scarcely tapering.
Morphology Reproductive morphology Flowers Column
Column inside lip, much curved, 3.5–4 mm. high; stigma erect, ± concave, transversely elliptical, 1.5 mm. high, 2 mm. broad, rostellum 3-lobed, the middle-lobe much larger than the tooth-like side lobes, broadly spoon-shaped from a narrow base, apex upcurved.
Habitat
Damp grasslands and swamps; 1500–1900 m.
Distribution
T2 T4 T7

Native to:

Tanzania, Zambia, Zimbabwe

Satyrium elongatum Rolfe appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Richards, H.M. [4400], Zambia 26760.000
Richards, M. [22940], Tanzania 31941.000
Tanzania 36644.000
Cribb, P. [10534], Tanzania 36739.000
Cribb, P. [10532], Tanzania 36778.000
Cribb, P. [10549], Tanzania 37896.000
Carson [60], Zambia K000416105 holotype

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 268 (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

  • Rolfe in Flora of Tropical Africa 7: 268 (1898).

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

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