Polystachya campyloglossa Rolfe

This species is accepted, and its native range is E. Tropical Africa to E. Zimbabwe.

[FTEA]

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

Morphology General Habit
A small epiphytic plant to 12 cm. high.
Vegetative Multiplication Pseudobulbs
Pseudobulbs clustered, ovoid to ovoid-conical, 1–23 cm. long, 0.5–0.9 cm. diameter, 2–3-leaved at the apex.
Morphology Leaves
Leaves narrowly oblong, oblong-oblanceolate or linear, subcoriaceous, spreading or suberect, 5–10.5 cm. long, 0.7–2.1 cm. wide, rounded or minutely apiculate at apex, articulated at base to a conduplicate petiole, 1–1.6 cm. long.
Morphology Reproductive morphology Inflorescences
Inflorescence erect, longer than the leaves, 2–6-flowered; peduncle subcompressed, pubescent, 5 cm. long; bracts ovate to cordate, carinate, densely pubescent, mucronate, 5–7 mm. long, up to 5 mm. wide.
Morphology Reproductive morphology Flowers
Flowers variable in colour and size, pubescent on outer surface; sepals green, olive-green or yellow-green (rarely yellow); lip white, lined on side lobes with purple; callus yellow, often spotted crimson.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal ovate, concave, acute or apiculate, 8–13 mm. long 4.5–7 mm. wide; lateral sepals obliquely ovate-triangular, acute, 8–14 mm. long, 7–10 mm. wide; mentum broadly conical, 6.5–9.5 mm. high.
Morphology Reproductive morphology Flowers Corolla
Petals oblanceolate, obtuse or apiculate at apex, 6.5–9.6 mm. long, 2–3 (–4) mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip shortly and broadly clawed, 3-lobed, strongly recurved in basal half, 8–11 mm. long, 6–9.5 mm. wide, when spread out; side lobes erect, rounded, 4 mm. wide, densely clavate-pubescent; mid-lobe oblong or ovate, fleshy, 4–5 mm. long, 2–3 mm. wide, acute, glabrous; disc fleshy, densely clavate-pubescent, with a conical callus at base of mid-lobe between the side lobes.
Morphology Reproductive morphology Flowers Column
Column short, stout, 3 mm. long.
Habitat
Epiphyte in Brachystegia woodland, riverine forest or montane forest; 1100–2700 m. (type said to be from Mombasa, but quite probably from inland)
Distribution
K3 K4 K5 K6 K7 T2 U2 U4

[FZ]

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

Morphology General Habit
Small epiphytic herb to c. 12 cm high, forming clumps.
Vegetative Multiplication Pseudobulbs
Pseudobulbs 1–2 × 0.5–1 cm, ovoid to ovoid-conical, 2–3-leaved.
Morphology Leaves
Leaves 5–10.5 × 0.7–2 cm, oblong to oblanceolate, dark green, sometimes purple-edged.
Morphology Reproductive morphology Inflorescences
Inflorescence (floral axis) erect, longer than the leaves, 2–6-flowered. Peduncle 3–5 cm long; pedicel and ovary 5 mm long; bracts 5–7 × 4–5 mm, ovate, mucronate; all pubescent.
Morphology Reproductive morphology Flowers
Flowers sometimes strongly scented, variable in size and colour; the measurements given are for plants from the Flora Zambesiaca area.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals green or yellow-green, lip white with purple veins on the side lobes.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal 11–12 × 5 mm, ovate, acute; lateral sepals 11–12 × 7–8 mm, obliquely triangular, acute; mentum c. 9 mm high.
Morphology Reproductive morphology Flowers Corolla
Petals c. 9 × 2 mm, oblanceolate.
Morphology Reproductive morphology Flowers Labellum
Lip strongly recurved, fleshy and hard to flatten, 9–10 × 7 mm, 3-lobed at about the middle, with a conical callus at the junction of the lobes; mid-lobe 4–5 × 3–5 mm, ovate, glabrous; side lobes erect, rounded; disk densely clavate pubescent.
Morphology Reproductive morphology Flowers Column
Column short and stout, c. 3 mm long.

Native to:

Kenya, Malawi, Tanzania, Uganda, Zimbabwe

Polystachya campyloglossa Rolfe appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Archer, P.G. [1], Kenya 11280.000 No
11282.000 No
Bally, P.R.O. [7859], Kenya 11283.000 No
Moreau, R.E. [305], Tanzania 11285.000 No
11288.000 No
Kenya 11290.000 No
Copley, H. [1], Kenya 11291.000 No
Schelpe, E., Kenya 17028.000 No
Copley, H. [80], Kenya 17586.000 No
Saska, L. [24A], Tanzania 17590.000 No
Piers, F., Tanzania 24652.000 No
Polhill, R. [1098], Tanzania 27199.000 No
Moreau [433], Tanzania 31269.000 No
Mareau [3], Tanzania 32846.000 No
Kenya 33850.000 No
Cribb, P. [10842], Tanzania 35746.000 No
Pfennig, H. [1174], Kenya 38452.000 No
Mousley, J., Kenya 38846.000 No
la Croix, I. [24], Malawi 50237.000 No
Jenkins, P., Malawi 50759.000 No
Smart, J.B. [73/62/1], Kenya 584.000 No
Harris, W.V., Kenya 5999.000 No
Mozambique 6138.000 No
Tanzania 7270.000 No
Tweedie, E.M. [1085], Kenya 9091.000 No
K000242391 Yes

First published in Bull. Misc. Inform. Kew 1909: 366 (1909)

Accepted by

  • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Mytnik-Ejsmont, J. (2011). A monograph of the subtribe Polystachyinae Schltr. (Orchidaceae): 1-400. Fundacja Rozwoju Uniwersytetu Gdanskiego.

Literature

Flora of Tropical East Africa

  • Piers, Orch. E. Afr., ed. 2: 120 (1968), pro parte.
  • Rolfe in Bulletin of Miscellaneous Information, Kew 1909: 366 (1909).
  • Stewart in A.D.Q. Agnew, Upland Kenya Wild Flowers p. 768, fig. (1974).

  • 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 2022. 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 2022. 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