Hydrocharitaceae
Halophila

Halophila decipiens Ostenf.

First published in Bot. Tidsskr. 24: 260 (1901)
This species is accepted
The native range of this species is Tropical & Subtropical Oceans. It is a rhizomatous hydrogeophyte and grows primarily in the wet tropical biome.

Descriptions

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]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/173352/6997485

Conservation
LC - least concern
[IUCN]

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
Nativa en Colombia; Alt. (-22) - 0 m.; Llanura del Caribe.
Morphology General Habit
Hierba, acuática
Conservation
No Evaluada
[CPLC]

Hydrocharitaceae, David Simpson. Flora of Tropical East Africa. 1989

Morphology General Habit
Monoecious.
Morphology Roots
Roots 1 per node.
Vegetative Multiplication Rhizomes
Rhizome narrowly terete, unbranched, 0.1–0.4 mm. in diameter, whitish or greenish.
Morphology Stem
Erect stems 1–10 mm. long.
Morphology Leaves
Leaves in pairs, 1 pair on each erect stem; blade elliptic to oblong-elliptic, 10–21 mm. long, 4.5–8 mm. wide, obtuse or rounded at apex, cuneate at base, often sparsely pubescent, rarely glabrous, somewhat translucent, light to mid-green, rarely dark green, with 2 of the parallel veins often running up to 0.5 mm. below the margin, connected by 6–9 pairs of cross-veins ascending at an angle of 40–70°; margins serrulate; petiole up to 15 mm. long.
Morphology Leaves Stipules
Stipules obovate to suborbicular, 0.35–4 mm. long, 0.3–2.8 mm. wide, obtuse or rounded, keeled, sparsely pubescent on keel, greenish or whitish.
Morphology Reproductive morphology Inflorescences Bracts
Spathe-bracts ovate, 2.5–4.1 mm. long, ± 1.5 mm. wide, acuminate, keeled, whitish, translucent, containing 1 ♂ and 1 ♀ flower.
sex Male
Male flowers:pedicel up to 3 mm. long; tepals elliptic to ovate, 0.3–1 mm. long, ± 0.5 mm. wide, obtuse, spreading, whitish; anthers ± 1 mm. long; filaments up to 4 mm. long.
Morphology Reproductive morphology Flowers
Female flowers:ovary of 3 carpels, ovoid, 1 mm. long, perianth-tube 1–2 mm. long, the lower portion persisting as beak in fruit; styles 3; stigmas 3, ± 2.5 mm. long. Male flowers:pedicel up to 3 mm. long; tepals elliptic to ovate, 0.3–1 mm. long, ± 0.5 mm. wide, obtuse, spreading, whitish; anthers ± 1 mm. long; filaments up to 4 mm. long.
sex Female
Female flowers:ovary of 3 carpels, ovoid, 1 mm. long, perianth-tube 1–2 mm. long, the lower portion persisting as beak in fruit; styles 3; stigmas 3, ± 2.5 mm. long.
Morphology Reproductive morphology Fruits
Fruit ellipsoid to subglobose, ± 2 mm. long, ± 1.8 mm. wide, with beak up to 2 mm. long, whitish.
Morphology Reproductive morphology Seeds
Seeds up to 30, ovoid, 0.2 mm. long, light green or light brown.
Habitat
Soft mud and fine coral sand in sea-water up to 85 m. depth
Distribution
Z widely distributed around tropical and subtropical coasts bordering the Indian and Pacific Oceans, together with the Caribbean.
[FTEA]

Distribution
Biogeografic region: Caribbean. Elevation range: –22–0 m a.s.l. Native to Colombia. Colombian departments: Atlántico, Magdalena.
Habit
Herb, Aquatic.
Conservation
IUCN Red List Assessment (2021): LC.
[UPFC]

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 Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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