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This species is accepted, and its native range is Rwanda, Burundi, SW. Uganda, SW. Kenya.

[FTEA]

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

Morphology General Habit
A dwarf epiphytic plant with a short stem ± 5 mm. long.
Morphology Roots
Roots numerous, elongate, ± 0.5 mm. diameter.
Morphology Leaves
Leaves suberect or reflexed, often falcate, linear, obscurely unequally bilobed or entire at the apex, 1–5 cm. long, 1–3.5 mm. wide, somewhat concave on upper surface.
Morphology Reproductive morphology Inflorescences
Inflorescences spreading or horizontal, longer than the leaves, up to 6 cm. long, laxly few–9-flowered; peduncle wiry, up to 2 cm. long; bracts broadly ovate, acute, 1–1.5 mm. long.
Morphology Reproductive morphology Flowers
Flowers green or greenish yellow; pedicel and ovary 4–5 mm. long, often geniculate in the middle.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal linear-lanceolate, acute, 4.2–5.5 mm. long, 0.7–1.25 mm. wide; lateral sepals falcate, obliquely linear-lanceolate, subacute, 5.2–6.3 mm. long, 0.9–1.2 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals lanceolate, acute or acuminate, 4.2–5.3 mm. long, 1 mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip obscurely 3-lobed, lanceolate, acute, 4.7–5.5 mm. long, 3.5 mm. wide, slightly recurved and fleshy towards apex.
Morphology Reproductive morphology Flowers Spur
Spur curving up above ovary, slender, cylindrical, 5.5–8 mm. long.
Morphology Reproductive morphology Flowers Column
Column 0.7–0.8 mm. long; anther 1 mm. long; rostellar arms ± 0.5 mm. long.
Figures
Fig. 151.
Habitat
Epiphytic in evergreen forest; 1500–1600 m.
Distribution
not known elsewhere K5 U2

Native to:

Burundi, Kenya, Rwanda, Uganda

Triceratorhynchus viridiflorus Summerh. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Eggeling, W.J., Uganda 10514.000 Type Specime
Carroll, E.W., Kenya 10515.000

First published in Bot. Mus. Leafl. 14: 234 (1951)

Accepted by

  • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
  • 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. 14: 234 (1951).

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens

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