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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 & P.J. Cribb. Flora Zambesiaca 11:2. 1998

Morphology General Habit
Dwarf, delicate-looking, short-stemmed epiphytic herb.
Morphology Roots
Roots very slender, 0.5–1 mm in diameter.
Morphology Leaves
Leaves several, 1–6 × 0.3–1.2 cm, oblanceolate, unequally and obtusely 2-lobed at the apex, dark green with raised venation.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Pedicel and ovary 5–12 mm long, slender.
Morphology Reproductive morphology Inflorescences Bracts
Bracts c. 2 mm long, brown.
Morphology Reproductive morphology Flowers
Flowers translucent, white or pale green.
Morphology Reproductive morphology Flowers Calyx
Sepals 4–8.5 × 1–2 mm, lanceolate, acute, spreading, slightly recurved; lateral sepals slightly longer and narrower than the dorsal sepal and somewhat oblique.
Morphology Reproductive morphology Flowers Corolla
Petals 4.7–7.3 × 1.5–2.5 mm, lanceolate, acute.
Morphology Reproductive morphology Flowers Labellum
Lip obscurely 3-lobed, 4.7–6.6 × 2.7–3 mm, lanceolate, acute; spur 10–20 mm long, slender, tapering from a wide mouth.
Morphology Reproductive morphology Flowers Column
Column 1 mm long.

[FTEA]

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

Morphology General Habit
A dwarf epiphyte with a very short stem 1–1.5 mm. long.
Morphology Roots
Roots numerous, flexuous, slender, 0.5–1 mm. in diameter.
Morphology Leaves
Leaves 4–5, ± falcate, ligulate or elliptic-oblanceolate, unequally roundly or obtusely bilobed, 1–6 cm. long, 0.3–0.9 cm. wide, articulated at the base.
Morphology Reproductive morphology Inflorescences
Inflorescences 1–several, pendent, 1.5–10 cm. long, 1–12-flowered; peduncle and rhachis very slender, wiry; bracts 3–7 mm. apart, triangular, obtuse, less than 1 mm. long.
Morphology Reproductive morphology Flowers
Flowers whitish to yellowish green, nocturnally scented; pedicel and ovary very slender, 5–12 mm. long.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal recurved, lanceolate, acuminate, 5–7.8 mm. long, 1.5–2 mm. wide; lateral sepals recurved, obliquely lanceolate-ligulate, acute, 6–8.5 mm. long, 1.2–1.8 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals obliquely lanceolate, acute, 4.7–7.3 mm. long, 1.5–2.5 mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip obscurely 3-lobed, 4.7–6.6 mm. long, 2.7–3 mm. wide; side lobes upcurved, rounded; mid-lobe lanceolate, acute, recurved towards the apex.
Morphology Reproductive morphology Flowers Spur
Spur slender, pendent, tapering from a broad mouth, 12–17 mm. long.
Morphology Reproductive morphology Flowers Column
Column 1 mm. long; rostellum pendent, 3-lobed, the mid-lobe longer than the side lobes, papillose; stipites 2, linear; viscidia 2, linear.
Figures
Fig. 148.
Habitat
In upland evergreen forest, also in coniferous plantations; 1300–2500 m.
Distribution
T2 T6 T7

Native to:

Malawi, Tanzania, Zambia, Zimbabwe

Mystacidium tanganyikense Summerh. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jul 26, 2017 Wild, H. [4535], Zimbabwe 24958.000
Jul 26, 2017 Holmes, W.D. [231], Malawi 29741.000
Jul 26, 2017 G. Williamson [822], Zambia 33178.000
Moreau, W.M. [317], Tanzania 10337.000 Unknown type material
Moreau, R.E. [474], Tanzania 10338.000
Drummond, R.B. [1898], Tanzania 13725.000
Richards, H.M. [14235], Tanzania 1840.000
Morris, B. [124], Malawi 28254.000
Williamson, G. [129], Zambia 33770.000
Williamson, G. [129], Zambia 33974.000
Zambia 34381.000
Cribb, P. [10571], Tanzania 35765.000
Cribb, P. [10464], Tanzania 35770.000
la Croix, I. [122], Malawi 45134.000
Malawi 47589.000
de Leyser, E. [211], Tanzania 52511.000
Congdon, T.C.E. [191], Tanzania 53112.000
Jannerup, P.L. [0369], Tanzania 71166.000
Moreau, W.M. [317], Tanzania K000306403 Unknown type material

First published in Bot. Mus. Leafl. 12: 113 (1945)

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

  • Summerh. in Bot. Mus. Leafl. Harv. Univ. 12: 113 (1945)
  • Summerh. in Hook., Ic. Pl. 35, t. 3489 (1950).

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