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This species is accepted, and its native range is Malawi (Mt. Mulanje).
A specimen from Kew's Herbarium

[FZ]

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

Morphology General Habit
Epiphytic, or occasionally lithophytic, herb 10–16 cm tall, forming small clumps.
Vegetative Multiplication Pseudobulbs
Pseudobulbs 12–20 × 6–10 mm, oblong, glossy, 2–5-leaved.
Morphology Leaves
Leaves 6–9 × 1.2–1.6 cm, ligulate or oblanceolate, bright green, tinged with purple on the margin and at the base.
Morphology Reproductive morphology Inflorescences
Inflorescence produced at the same time as the developing leaves, fairly densely 5–15-flowered; flowers ± secund. Peduncle c. 6 cm long, pubescent; pedicel and ovary 7–8 mm long, pubescent; bracts 6–11 mm long, lanceolate to obcordate, apiculate, deep purple.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals yellow-green, turning mustard-yellow, veined with purple or red; lip white with purple veins; callus yellow.
Morphology Reproductive morphology Flowers Calyx
Sepals slightly pubescent; dorsal sepal 9–12 × 3–4 mm, lanceolate, acuminate; lateral sepals 10–14 × 4–5 mm, obliquely lanceolate, slightly falcate, acuminate. Mentum 4–5 mm long, shallowly conical.
Morphology Reproductive morphology Flowers Corolla
Petals 8–10 × 2–3 mm, oblanceolate, acute.
Morphology Reproductive morphology Flowers Labellum
Lip recurved and hard to flatten, 7–9 × 5–6 mm, 3-lobed, with a yellow callus in the form of a glabrous ridge at the junction of the lobes; mid-lobe broadly ovate, acute; side lobes erect, narrow.
Morphology Reproductive morphology Flowers Column
Column 1–1.5 mm long.

Native to:

Malawi

Polystachya purpureobracteata P.J.Cribb & la Croix appears in other Kew resources:

Date Reference Identified As Barcode Type Status
la Croix, I [608A], Malawi 52325.000
La Croix [504], Malawi K000049509
Morris, Brian [BM2C], Malawi K000049510
La Croix [504], Malawi K000049508
Johnston-Stewart, N.G.B. [182], Malawi K000049506
Morris, Brian [BM2A], Malawi K000049511
Morris, Brian [2B], Malawi K000049512
Jenkins, P. [83], Malawi K000049513
Johnston-Stewart, N.G.B. [287], Malawi K000049507

First published in I.F.la Croix, E.A.S.la Croix & T.M.la Croix, Orchids Malawi: 234 (1991)

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.

Flora Zambesiaca
Flora Zambesiaca
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