Orchidaceae
Tropidia

Tropidia polystachya (Sw.) Ames

First published in Orchidaceae 2: 262 (1908)
This species is accepted
The native range of this species is S. Florida to Caribbean, Mexico to Galápagos, Brazil (Mato Grosso). It is a perennial and grows primarily in the seasonally dry tropical biome.

Descriptions

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Colombia
[CPLC]

Distribution
Biogeografic region: Caribbean. Native to Colombia. Colombian departments: Magdalena.
Habit
Herb.
Conservation
Listed in Appendix II of CITES.
[UPFC]

George R. Proctor (2012). Flora of the Cayman Isands (Second Edition). Royal Botanic Gardens, Kew

Morphology General Habit
Plants to 70 cm tall with terete, branched stems, 31–55 cm high, 2–4 mm diam. Leaves several with clasping sheaths, 4–4.5 cm long; blades oblong-lanceolate, acuminate, 6–27 cm long, 2.4–6.7 cm wide
Morphology Reproductive morphology Inflorescences
Inflorescences on peduncles 3.5–14 cm long; panicles densely flowered, subglobular, 2.5–9 cm long, 3–6.5 cm diam.; floral bracts linear to lanceolate, acuminate to subulate, 4–10 mm long
Morphology Reproductive morphology Flowers
Flowers white to pale red, 3–48, numerous, 8–12 mm long; dorsal sepal concave, oblong to elliptic, acute to obtuse, 6.5–7 mm long, 1.7–2.2 mm wide, lateral sepals somewhat gibbous, lanceolate-oblong, acute, slightly falcate, 5.5–6.5 mm long, 2–2.5 mm wide; petals slightly falcate, lanceolate to elliptic-oblanceolate, acute, 5–6 mm long, 1.5–2 mm wide; lip very concave at base and embracing the column, disc 2-lamellate and flabellate above, oblong, constricted at the middle, apex apiculate, sometimes obscurely 4-lobed, 4.5–6 mm long, 2 mm wide
Morphology Reproductive morphology Flowers Column
Column 4–4.5 mm long
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther ovate, apiculate, 1.5 mm long, 1 mm wide
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary cylindrical, ca. 8 mm long on short pedicels
Morphology Reproductive morphology Fruits
Capsules oblong, ribbed, 1–1.4 cm long, 3–6 mm diam.
Distribution
Grand Cayman. Florida, Cuba, Jamaica, Hispaniola, Mexico, Guatemala, Costa Rica, Venezuela, and Galapagos.
Ecology
Usually encountered in moist and wet montane forests.
[Cayman]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Catálogo de Plantas y Líquenes de Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of the Cayman Islands

    • Flora of the Cayman Islands
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Useful Plants and Fungi of Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • World Checklist of Vascular plants (WCVP)

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0