Comments
provided by eFloras
Most plants of Polystachya concreta flower from August to December; some flower at other times of the year. In Florida, Polystachya concreta [P. flavescens (Blume) J. J. Smith] is pollinated by the halictid bee, Dialictus aff. creberrimus (G. J. Goss 1977b). The bee collects the detachable, starchy lip hairs (pseudopollen).
An extensive list of synonomy is available (G. C. K. Dunsterville and L. A. Garay [1959]–1976, vol. 3), but after discussions with Phillip Cribb (pers. comm.), we suspect that the African and Asian synonyms represent different species (see also P. J. Cribb 1984). For this reason, we have excluded them from the list, even though some of them are often used for neotropical plants. Furthermore, Polystachya concreta is not as widespread in the Neotropics as formerly believed; it is absent from Mexico and Central America (J. T. Atwood, G. Carnevali F.-C., R. L. Dressler, pers. comm.).
Cranichis luteola Swartz and Polystachya luteola (Swartz) Hooker are not legitimate names.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Plants cespitose. Roots numerous, 2–3 mm diam. Stems thickened at base, hidden by leaf sheaths, composed of several internodes, to 4 cm. Leaves 2–4; blade thin, narrowly oblong to elliptic, 3.5–20 × 1.1–3 cm, apex mostly acute. Inflorescences usually paniculate racemes, simple racemes in small plants; peduncle compressed; floral bracts spreading to reflexed, 1–2 mm. Flowers yellow or pale green with white lip; dorsal sepal ovate-elliptic, 2.5–4 × 1.5–2.5 mm; lateral sepals triangular, 2.5–5 mm; petals oblanceolate, rounded, 2–3 × 1 mm; lip 3-lobed, 3–5 mm, middle lobe quadrangular to oblong, lateral lobes falcate; disc with linear, densely farinose callus (pseudopollen); column cylindric, short; column foot 2–3 mm; pedicellate ovary to 7 mm. Capsules brown at maturity, ellipsoid, 6–12 mm.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Fla.; pantropical (see discussion below).
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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Flowering Aug--early Dec.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Cypress swamps, hammocks, mangroves; 0--20m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Epidendrum concretum Jacquin, Enum. Syst. Pl., 30. 1760; E. minutum Aublet; Polystachya extinctoria Reichenbach f.; P. minuta (Aublet) Britton
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by Flora of Zimbabwe
Robust epiphyte or occasional lithophyte. Pseudobulbs conical, ribbed, sometimes obscured by bases of the large elliptic or oblanceolate leaves. Inflorescence up to 45 cm, shortly branched, many-flowered, often subsecund. Flowers normally bright yellow with a lighter lip but other colour forms occur.
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- Mark Hyde, Bart Wursten and Petra Ballings
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- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Polystachya concreta (Jacq.) Garay & H.R. Sweet Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=118460
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- Mark Hyde
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- Bart Wursten
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- Petra Ballings
Description
provided by Flora of Zimbabwe
This very attractive colour form of Polystachya concreta has been described as P. tessellata var. tricruris in the past (J.S. Ball, 1978).
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- Mark Hyde, Bart Wursten and Petra Ballings
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- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Polystachya concreta (red-flowered form) Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=164350
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- Mark Hyde
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- Bart Wursten
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- Petra Ballings
Frequency
provided by Flora of Zimbabwe
Frequent
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- Mark Hyde, Bart Wursten and Petra Ballings
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- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Polystachya concreta (Jacq.) Garay & H.R. Sweet Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=118460
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- Mark Hyde
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- Bart Wursten
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- Petra Ballings
Frequency
provided by Flora of Zimbabwe
Local
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- Mark Hyde, Bart Wursten and Petra Ballings
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- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Polystachya concreta (red-flowered form) Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=164350
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- Mark Hyde
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- Bart Wursten
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- Petra Ballings
Worldwide distribution
provided by Flora of Zimbabwe
The only more or less pantropical species in Polystachya, occurring throughout most of tropical Africa and South Africa, tropical Asia and in the neotopics from Florida to Brasil.
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- Mark Hyde, Bart Wursten and Petra Ballings
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- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Polystachya concreta (Jacq.) Garay & H.R. Sweet Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=118460
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- Mark Hyde
- author
- Bart Wursten
- author
- Petra Ballings
Polystachya concreta
provided by wikipedia EN
Polystachya concreta, the greater yellowspike orchid,[1] is a species of orchid native to tropical and subtropical America, Africa and Asia.
Synonyms
Epidendrum concretum Jacq. is the basionym. Other synonyms include:
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Callista flavescens (Lindl.) Kuntze
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Cranichis luteola Sw.
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Dendrobium flavescens Lindl.
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Dendrobium polystachyum Sw.
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Dendrorkis estrellensis (Rchb.f.) Kuntze
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Dendrorkis extinctoria (Rchb.f.) Kuntze
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Dendrorkis minuta (Aubl.) Kuntze
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Dendrorkis polystachyon (Sw.) Kuntze
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Dendrorkis purpurea (Wight) Kuntze
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Dendrorkis wightii (Rchb.f.) Kuntze
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Dendrorkis zollingeri (Rchb.f.) Kuntze
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Epidendrum concretum Jacq.
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Epidendrum minutum Aubl.
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Maxillaria luteola (Sw.) Beer
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Maxillaria purpurea (Wight) Beer
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Onychium flavescens Blume
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Polystachya bicolor Rolfe
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Polystachya caquetana Schltr.
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Polystachya colombiana Schltr.
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Polystachya cubensis Schltr.
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Polystachya estrellensis Rchb.f.
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Polystachya extinctoria Rchb.f.
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Polystachya flavescens (Blume) J.J.Sm.
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Polystachya kraenzliniana Pabst
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Polystachya luteola Hook.
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Polystachya luteola Wight
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Polystachya minuta (Aubl.) Frapp. ex Cordem.
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Polystachya penangensis Ridl.
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Polystachya pleistantha Kraenzl.
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Polystachya purpurea var. lutescens Gagnep.
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Polystachya purpurea Wight
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Polystachya reichenbachiana Kraenzl.
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Polystachya siamensis Ridl.
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Polystachya singapurensis Ridl.
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Polystachya wightii Rchb.f.
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Polystachya zeylanica Lindl.
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Polystachya zollingeri Rchb.f.
References
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Polystachya concreta: Brief Summary
provided by wikipedia EN
Polystachya concreta, the greater yellowspike orchid, is a species of orchid native to tropical and subtropical America, Africa and Asia.
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Media related to Polystachya concreta at Wikimedia Commons
Data related to Polystachya concreta at Wikispecies
