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This genus is accepted, and its native range is Tropics & Subtropics.
Polystachya pubescens

[FZ]

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

Morphology General Habit
Epiphytic, occasionally lithophytic or terrestrial perennial herbs.
Morphology Stem
Stems usually forming pseudobulbs, clustered or less commonly spaced out on a creeping rhizome, sometimes branched or superposed (emerging from nodes above the base of the previous pseudobulb), 1- to several-noded, with 1 to several leaves.
Morphology Leaves
Leaves linear, lanceolate, oblanceolate or elliptic, varying in texture.
Morphology Reproductive morphology Inflorescences
Inflorescence (comprising peduncle, rhachis and flowers) 1- to many-flowered, simple or branching. Floral bracts erect to reflexed, setiform, lanceolate, ovate or obovate, acute or acuminate to mucronate.
Morphology Reproductive morphology Flowers
Flowers usually non-resupinate, very small or medium-sized, rarely large, usually fragrant, often pubescent, green, yellow, white, pink, mauve or orange, rarely red.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal lanceolate to ovate; lateral sepals ± oblique, joined to the column-foot to form a mentum.
Morphology Reproductive morphology Flowers Corolla
Petals linear to obovate.
Morphology Reproductive morphology Flowers Labellum
Lip usually 3-lobed but sometimes entire, with or without a basal callus, glabrous, pubescent or farinose, often recurved, sometimes fleshy and difficult to flatten without breaking.
Morphology Reproductive morphology Flowers Column
Column porrect, usually short and stout with a ± elongate foot; pollinia 2, ovoid; stipe 1, square or sub-triangular to oblong or linear; viscidium small to large, round or ellipsoid; rostellum usually obscure, bifid in front, rarely slightly elongated or beak-like.

[FTEA]

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

Morphology General Habit
Small, medium-sized or rarely large epiphytic or less commonly lithophytic or terrestrial herbs
Morphology Stem
Stems often pseudobulbous, caespitose or less commonly spaced on a creeping rhizome, sometimes branched or superposed, 1–several-noded, 1–several-leaved
Morphology Leaves
Leaves suberect to spreading, thin-textured, coriaceous or rarely fleshy, often distichous, linear or lanceolate to oblong-elliptic or oblanceolate, emarginate, acute, obtuse or acuminate at the apex
Morphology Reproductive morphology Inflorescences
Inflorescence terminal, erect to pendulous, 1–many-flowered, simple or branching; branches sometimes secund; bracts suberect to reflexed, setose or lanceolate to ovate or obovate, acute or acuminate to mucronate
Morphology Reproductive morphology Flowers
Flowers minute to fairly large, mostly with lip uppermost, non-resupinate, mostly rather drably coloured, ± fragrant, often pubescent
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal mostly porrect, lanceolate to ovate-elliptic; lateral sepals ± oblique, attached to the column-foot to form a more or less prominent mentum
Morphology Reproductive morphology Flowers Corolla
Petals linear to obovate
Morphology Reproductive morphology Flowers Labellum
Lip entire to 3-lobed, with or without a basal callus, glabrous, pubescent or farinose, often recurved and difficult to flatten
Morphology Reproductive morphology Flowers Column
Column porrect, mostly short and stout, with a ± elongate foot; pollinia 2, ovoid; stipe 1, square or subtriangular to oblong or linear; viscidium small to large, circular or elliptic; rostellum mostly obscure, bifid in front, rarely slightly elongate and beak-like.

[FTEA]

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

Morphology General Habit
Terrestrial or lithophytic herb with clustered leafy stems
Morphology Leaves
Leaves grass-like, articulated below to a sheathing base
Morphology Reproductive morphology Flowers
Flowers numerous in dense terminal racemes, showy, with a strong sweet scent
Morphology Reproductive morphology Flowers Calyx
Sepals subequal, ± spreading, the laterals slightly united at the base and slightly adnate to the base of the lip
Morphology Reproductive morphology Flowers Corolla
Petals free, similar to the sepals
Morphology Reproductive morphology Flowers Labellum
Lip somewhat spreading, sessile at the base of the column and ± adnate and parallel to it, entire, fleshy, devoid of keel or crests, but the basal and central part distinctly to slightly hairy
Morphology Reproductive morphology Flowers Column
Column short and thick, rounded at the back, excavated in front, with sparse short bristles on the angular edges; column-foot obscure, forming an obscure mentum with the lateral sepals; anther galeate, subhemispherical, obtusely umbonate at the apex, the basal margins retuse; pollinia attached to a semicircular viscidium, in 2 pairs of 2, each consisting of a smaller discoid one fitting against a larger concavo-convex one, separated by thin folds of tissue when young which later roll up forming ridges inside the anther- cap.

Native to:

Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Bahamas, Belize, Benin, Bolivia, Borneo, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burkina, Burundi, Cameroon, Cape Provinces, Cayman Is., Central African Repu, Chad, China South-Central, Colombia, Comoros, Congo, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Florida, French Guiana, Gabon, Ghana, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Haiti, Honduras, India, Ivory Coast, Jamaica, Jawa, Kenya, KwaZulu-Natal, Laos, Leeward Is., Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Maluku, Mauritius, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Mozambique, Netherlands Antilles, Nicaragua, Nicobar Is., Nigeria, Northern Provinces, Panamá, Paraguay, Peru, Philippines, Puerto Rico, Rwanda, Réunion, Senegal, Seychelles, Sierra Leone, Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Swaziland, Tanzania, Thailand, Togo, Trinidad-Tobago, Uganda, Venezuela, Venezuelan Antilles, Vietnam, Windward Is., Zambia, Zaïre, Zimbabwe

Introduced into:

Hawaii

Polystachya Hook. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
May 17, 2010 Harris, T. [657], Mozambique K000718178
Aug 10, 2006 74465.000
May 1, 1994 Cable, S. [78], Cameroon K000107000
Jan 1, 1988 Thomas, D.W. [7005], Cameroon K000106731
Oct 1, 1972 Bauer, P.J. [81], Cameroon K000106653
Williamson, G. [13a], Zambia 11887.017
Williamson, G. [203], Zambia 17326.006
Williamson, G. [131], Zambia 17326.007
Callens, H. [1168] 17897.000
Williamson, G. [321], Zambia 1800.032
Tanzania 21272.000
21273.000
21274.000
24672.000
26122.000
Williamson, G. [311], Zambia 27461.004
Zambia 27461.054
Eggeling, W.J. [5993], Uganda 29417.000
Drummond [2615A], Tanzania 29637.000
Mason, L.M. [1014], Madagascar 29770.000
Moreau, R.E. [167], Tanzania 30261.000
Moreau, R.E. [872], Tanzania 30425.000
Wild, H. [GH.35738], Zimbabwe 30942.000
Zimbabwe 31039.000
Moreau [126], Tanzania 31179.000
Zimbabwe 31180.000
Leach, L.C. [10958] 31204.000
Moreau, R.E. [321], Tanzania 31247.000
Zimbabwe 31415.000
Morze, G. [91], Zambia 31733.000
Morze, G., Zambia 31736.000
Morze, G. [125], Zambia 31737.000
Morze, G. [103A], Zambia 31742.000
Morze, G. [104a], Zambia 31745.000
Morze, G. [102], Zambia 31746.000
Morze, G. [168], Zambia 31755.000
Morze, G. [121], Zambia 31758.000
Morze, G. [71], Zambia 31761.000
Morze, G. [167], Zambia 31762.000
Morze, G. [127c], Zambia 31770.000
Morze, G. [127a], Zambia 31771.000
Morze, G. [127b], Zambia 31783.000
Morze, G. [130], Zambia 31794.000
31802.000
Williamson, G. [421], Zambia 32589.000
Williamson, G. [1243], Zambia 32611.000
Moreau [604], Tanzania 32835.000
Moreau [849] 32845.000
Williamson, G. [1514], Zambia 32881.000
Williamson, G. [2], Zambia 33179.000
Williamson, G. [321], Zambia 33723.000
Williamson, G. [778], Zambia 33877.000
Williamson, G. [776], Zambia 33881.000
Williamson, G. [144], Malawi 33985.000
Williamson, G. [125], Zambia 34004.000
Zambia 34010.000
Bowden, J.K. [91], Nigeria 34930.000
Richards, H.M. [26708], Tanzania 37429.000
Williamson, G. [778], Zambia 39724.000
Taylor, P. [16383], Ecuador 41640.000
Schaijes, M. [2255], Congo, DRC 48942.000
Du Puy, B. [MB701], Madagascar 56377.000
la Croix, I. [1154], Congo 57107.000
Du Puy, B. [MB153], Madagascar 57503.000
Congo, DRC 58669.000
Madagascar 59391.000
Nigeria 6048.000
6049.000
Madagascar 61042.000
Zimbabwe 6148.000
6150.000
la Croix, I. [1145], Congo 61631.000
la Croix, I. [1145], Congo 61634.000
Spurrier, M. [1065], Tanzania 61642.000
la Croix, I [1149], Congo 61655.000
Zapfack, L. [727], Cameroon 61664.000
Cheek, M. [7877], Cameroon 61666.000
Cable, S. [2634], Cameroon 61670.000
Cheek, M. [5481], Cameroon 61672.000
Zapfack, L. [963], Cameroon 61673.000
Cable, S. [3862], Cameroon 61690.000
Mackinder, B.A. [185], Cameroon 61702.000
Cable, S. [2778], Cameroon 61705.000
Cable, S. [2422], Cameroon 61716.000
Cable, S. [2421], Cameroon 61734.000
Cheek, M. [9527], Cameroon 61737.000
Cheek, M. [8340], Cameroon 61933.000
Cheek, M. [8343], Cameroon 61934.000
Madagascar 63492.000
Cable, S. [3544], Cameroon 63776.000
Ryan, P. [288], Cameroon 63783.000
Ryan, P. [376], Cameroon 63797.000
Etuge, M. [2006], Cameroon 63801.000
Ryan, P. [272], Cameroon 63829.000
Cable, S. [2423], Cameroon 63843.000
Ryan, P. [258], Cameroon 63845.000
Harley, W.J. [1773a], Liberia 9216.000
9217.000
South Africa 9218.000
9220.000
9221.000
Drummond, R.B. [1668], Tanzania 9222.000
Callens, H. [815] 9223.000
la Croix, I. [1123], Congo 71546.000
la Croix, I. [1204], Tanzania 71547.000
Biteau, P. [F iv], Gabon 71594.000
Biteau, P. [R vi], Gabon 71595.000
Biteau, P. [F ii], Gabon 71596.000
Biteau, P. [I i], Gabon 71598.000
Biteau, P. [T iv], Gabon 71602.000
Biteau, P. [Q viii], Gabon 71603.000
Biteau, P. [Z ii], Gabon 71604.000
Biteau, P. [F iii], Gabon 71605.000
Biteau, P. [G i], Gabon 71606.000
Biteau, P. [A ii], Gabon 71611.000
Du Puy, B. [MB689], Madagascar 72249.000
Du Puy, B. [MB688], Madagascar 72252.000
Hermans, J. [13/16], Madagascar 72440.000
Madagascar 72720.000
Salazar Chavez, G.A. [6321] 74321.000
Holmes, W.D. [355, 356, 361, 363 or 367], Zambia 75889.000
Holmes, W.D. [355, 356, 361, 363 or 367], Zambia 75898.000
Holmes, W.D. [355, 356, 361' 363 or 367], Zambia 75901.000
de Wilde, J. J. F. E., de Wilde, [536], Gabon 75930.000
Brinklow, R.K. [33], Cameroon 77348.000
Zapfack, L. [887], Cameroon 76153.000
Pollard, B.J. [1051], Cameroon 65005.000
Holmes, W.D. [355, 356, 361, 363 or 367], Zambia 75903.000
Alkema [518] 75899.000
Holmes, W.D. [355, 356, 361, 363 or 367], Zambia 75897.000
Holmes, W.D. [355, 356, 361, 363 or 367], Zambia 75887.000
Holmes [8], Zambia 77399.000

First published in Exot. Fl. 2: t. 103 (1824)

Accepted by

  • Chase, M.W., Cameron, K.M., Freudenstein, J.V., Pridgeon, A.M., Salazar, G., van den Berg, C. & Schuiteman, A. (2015). An updated classification of Orchidaceae Botanical Journal of the Linnean Society 117: 151-174.
  • 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. & Baranow, P. (2010). Taxonomic study of Polystachya Hook. (Orchidaceae) from Asia Plant Systematics and Evolution 290: 57-63.
  • Mytnik-Ejsmont, J. (2011). A monograph of the subtribe Polystachyinae Schltr. (Orchidaceae): 1-400. Fundacja Rozwoju Uniwersytetu Gdanskiego.
  • Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2014). Genera Orchidacearum 6: 1-544. Oxford University Press, New York, Oxford.

Literature

Flora of West Tropical Africa

  • Exot. Fl. 2: t. 103 (1824)
  • F.T.A. 7: 103 Nom. cons.

Flora Zambesiaca

  • Exot. Fl. 2: t. 103 (1824), nom. conserv.

Flora of Tropical East Africa

  • Exot. Fl. 2, t. 103 (1824), nom. conserv.

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

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