Primulaceae
Lysimachia

Lysimachia acuminata (Welw. ex Schinz) U.Manns & Anderb.

First published in Willdenowia 39: 51 (2009)
This species is accepted
The native range of this species is S. Tanzania to S. Tropical Africa. 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: not threatened. Confidence: confident
[AERP]

Primulaceae, P. Taylor. Flora of Tropical East Africa. 1958

Morphology General Habit
Annual; stems erect, simple or rarely branched above, 3–12 cm. high, tinged reddish at base.
Morphology Leaves
Lower leaves opposite, upper alternate, narrowly linear, 2–7 mm. long, less than 0.5 mm. wide, the upper ones acute, the lower tipped with a small black gland.
Morphology Reproductive morphology Flowers
Flowers in a terminal corymbiform raceme which elongates slightly in fruit; pedicels ascending, filiform, up to 1 cm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx-segments narrowly lanceolate, 2–3 mm. long, acuminate and with a narrow hyaline margin.
Morphology Reproductive morphology Flowers Corolla
Corolla white, about 3 mm. long; lobes (spreading in sunlight) narrowly oblong, about 0.6 mm. wide, apically truncate and shortly mucronate or tridentate, 3-nerved.
Morphology Reproductive morphology Flowers Androecium Stamens
Filaments filiform, about 2 mm. long, glabrous above, bearded below; anthers globose, obtuse, about 0.3 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary sparsely papillose; style about 1.2 mm. long.
Morphology Reproductive morphology Fruits
Capsule about 1.5 mm. in diameter.
Morphology Reproductive morphology Seeds
Seeds numerous, about 0.35 mm. long.
Habitat
Seasonally flooded places, flowering as the water-level subsides at the beginning of the dry season; 1000 m.
Distribution
T8
[FTEA]

Primulaceae, F. K. Kupicha. Flora Zambesiaca 7:1. 1983

Morphology General Habit
Erect annual herb 3–9 cm. tall.
Morphology Stem
Stems reddish, simple or branched.
Morphology Leaves
Leaves up to 7 cm. long, opposite below, alternate above, subulate.
Morphology Reproductive morphology Flowers
Flowers present at most nodes, on pedicels 4–8 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx–lobes 2·2–2·5 mm. long, lanceolate.
Morphology Reproductive morphology Flowers Corolla
Corolla white or pale cream; tube c. 0·5 mm. long, lobes c. 2·5 mm. long, elliptic, the apex acuminate or tridentate.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens c. j as long as the petals; filaments slender above, expanded below, not connate, adnate to corolla for 0·5 mm., bearded in lower half; lower part of corolla–tube usually with conspicuous red granules; anthers 0·2–0·25 mm long.
Morphology Reproductive morphology Fruits
Fruit c. 1·5 mm. in diameter, many–seeded, circumscissile.
Morphology Reproductive morphology Seeds
Seeds c. 0·3 mm. long.
[FZ]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • 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

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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

  • 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