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This species is accepted, and its native range is Rwanda to S. Africa.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
An erect, spreading or pendent epiphyte with a stem 1–10 cm. long, 5–8 mm. in diameter.
Morphology Roots
Roots smooth, 2–3 mm. in diameter.
Morphology Leaves
Leaves spreading or arcuate, linear, unequally roundly bilobed, 4–15 cm. long, 0.6–1.2 cm. wide, conduplicate or twisted at the base to lie in one plane.
Morphology Reproductive morphology Inflorescences
Inflorescences suberect, almost as long as the leaves, 7–30-flowered, 4–15 cm. long; peduncle 6–10 mm. long; bracts amplexicaul, ovate, apiculate, reflexed, 1–2 mm. long, dark brown.
Morphology Reproductive morphology Flowers
Flowers distichous, pale green to pale butterscotch-yellow, scented of mignonette (Reseda lutea); pedicel and ovary 2–3 mm. long, lepidote.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal lanceolate, acuminate, 6–7.5 mm. long, 2–2.4 mm. wide; lateral sepals obliquely lanceolate, acuminate, 6–7.5 mm. long, 1.8–2.2 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals lanceolate, acuminate, 5–6.5 mm. long, 1.5–2 mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip 3-lobed in the apical half, cuneate at base and auriculate, 5.7–8 mm. long, 3.5–5 mm. wide; side lobes short, spreading, erose or bifid at the apex, 0.7–2.5 mm. long; mid-lobe narrowly triangular, acuminate, 2.5–4 mm. long, 0.5–0.6 mm. wide.
Morphology Reproductive morphology Flowers Spur
Spur filiform, 12–14 mm. long.
Morphology Reproductive morphology Flowers Column
Column 2–2.3 mm. long; stipes Y-shaped.
Figures
Fig. 158.
Habitat
In montane forest and associated bushland also in Brachystegia woodland; 900–2600 m.
Distribution
T2 T3 T4 T7 T8

[FZ]

Orchidaceae, I. la Croix & P.J. Cribb. Flora Zambesiaca 11:2. 1998

Morphology General Habit
Epiphytic herb, very variable in size.
Morphology Stem
Stem usually short, 1–10 cm long, but occasionally to 30 cm long.
Morphology Roots
Roots numerous, often forming a large tangle with many hanging free, up to 5 mm in diameter, smooth or occasionally slightly verrucose.
Morphology Leaves
Leaves 5–7, usually forming a fan, 3–15 × 0.8–1.4 cm, linear, conduplicate, thin-textured or coriaceous.
Morphology Reproductive morphology Inflorescences
Inflorescences usually 2, arising at the base of the plant, 4–15 cm long, 8–30-flowered; flowers arranged in 2 rows.
Morphology Reproductive morphology Flowers Pedicel and Ovary
Pedicel and ovary 2–3 mm long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 1–2 mm long, sheathing, dark brown.
Morphology Reproductive morphology Flowers
Flowers greenish-white, yellow-green or buff.
Morphology Reproductive morphology Flowers Calyx
Sepals 5–7.8 × 2–2.6 mm, lanceolate, acuminate, the lateral sepals rather oblique.
Morphology Reproductive morphology Flowers Corolla
Petals 5–7.5 × 1.5–2.2 mm, lanceolate, acuminate, the tips reflexed.
Morphology Reproductive morphology Flowers Labellum
Lip auriculate at the base, 6–8.6 mm long, 3-lobed in apical half; mid-lobe 2.5–4 mm long, narrowly triangular, acuminate; side lobes 1–2.5 mm long, linear, spreading or curving upwards, sometimes erose or bifid at the apex; spur 9–14 mm long, straight.
Morphology Reproductive morphology Flowers Column
Column c. 2 mm long.

Native to:

Burundi, Cape Provinces, KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Rwanda, Swaziland, Tanzania, Zambia, Zaïre, Zimbabwe

Ypsilopus tricuspis (Bolus) D'haijère & Stévart appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Feb 1, 2017 la Croix, I. [135], Malawi Tridactyle tricuspis 45141.000
Nov 17, 1947 Stolz, A. [658], Tanzania Tridactyle tricuspis K000306513
Nov 17, 1947 McKen [14], South Africa Tridactyle tricuspis K000306501 Unknown type material
Moreau [610], Tanzania Tridactyle tricuspis K000767505
Moreau [790], Tanzania Tridactyle tricuspis K000618028
Moreau, W.M. [24], Tanzania Tridactyle tricuspis 10690.000
Methuen, Zimbabwe Tridactyle tricuspis 14970.000
Williams, S.G.B., Malawi Tridactyle tricuspis 14972.000
Polhill, R. [1662], Tanzania Tridactyle tricuspis 23883.000
Brummitt, R.K. [9637], Malawi Tridactyle tricuspis 25694.168
Polhill, R. [2310], Tanzania Tridactyle tricuspis 27133.000
Polhill, R. [1448], Tanzania Tridactyle tricuspis 27139.000
Morris, B. [128], Malawi Tridactyle tricuspis 28515.000
Wild, H. [SRGH.27427], Zimbabwe Tridactyle tricuspis 29653.000
Wild, H. [GH.46223], Zimbabwe Tridactyle tricuspis 29783.000
Williamson, G. [1543], Zambia Tridactyle tricuspis 32617.000
Cribb, P. [10779], Tanzania Tridactyle tricuspis 36790.000
Owens, C. [15], Tanzania Tridactyle tricuspis 39753.000
Phileox, D. [9030], Zimbabwe Tridactyle tricuspis 43001.000
Zimbabwe Tridactyle tricuspis 43019.000
la Croix, I. [215], Malawi Tridactyle tricuspis 44260.000
la Croix, I., Malawi Tridactyle tricuspis 44475.000
la Croix, I. [448], Malawi Tridactyle tricuspis 46703.000
la Croix, I. [469], Malawi Tridactyle tricuspis 46731.000
Longdon, C. [P.K. 47], Tanzania Tridactyle tricuspis 48876.000
Moreau, R.E. [573], Tanzania Tridactyle tricuspis 8724.000
Tanzania Tridactyle tricuspis 8725.000
Bell, D.H.A. [790], Tanzania Tridactyle tricuspis 8726.000
Williamson, G. [227], Malawi Tridactyle tricuspis K000306512 isotype

First published in Taxon 68: 466 (2019)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

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