Ammannia linearipetala A.Fern. & Diniz

First published in Bol. Soc. Brot., sér. 2, 33: 22 (1959)
This species is accepted
The native range of this species is S. Tanzania. It is an annual and grows primarily in the seasonally dry 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: threatened. Confidence: confident
[AERP]

Lythraceae, B. Verdcourt. Flora of Tropical East Africa. 1984

Morphology General Habit
Erect branched or unbranched annual herb 10–25 cm. tall; stems reddish, 4-angled below, ± 4-winged above.
Morphology Leaves
Leaves oblong or narrowly oblong, 0.8–4.5 cm. long, 0.15–1.3 cm. wide, acute at the apex, auriculate-cordate at the base.
Morphology Reproductive morphology Flowers
Flowers 4-merous, in somewhat lax numerous 5–many-flowered dichasia up to 8 mm. wide in fruit; peduncles 1–3 mm. long; pedicels 0.2–1.5 mm. long; bracteoles minute, up to 1.2 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx-tube obconic, 0.3–0.5 mm. long; lobes triangular, ± as long as tube; appendages small.
Morphology Reproductive morphology Flowers Corolla
Petals white, linear or subulate, ± 0.5 mm. long, ± persistent.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted below middle of the tube, ± equalling the lobes.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary globose; style plus stigma 0.2–0.3 mm. long.
Morphology Reproductive morphology Fruits
Capsule red, globose, (0.8–)1.2–1.5 mm. diameter.
Morphology Reproductive morphology Seeds
Seeds brown, 0.3 mm. long.
Figures
Fig. 12/13–17, p. 39.
Habitat
Small pools in rocky river bed; 1030 m.
Distribution
T8 not known elsewhere
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. 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 2025. 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