Trifolium

Trifolium pseudostriatum Baker f.

First published in Legum. Trop. Africa: 83 (1926)
This species is accepted
The native range of this species is Uganda to Malawi. It is an annual and grows primarily in the subtropical biome.

Descriptions

Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit
Annual almost glabrous herb; stems prostrate or ascending and up to 40 cm. tall.
Morphology Leaves
Free part of stipules longer than the base, tapering gradually; petioles very short in the upper leaves and rarely over 3 cm. in the lower; leaflets ovate or oblong, cuneate below, rounded or truncate at the tip, up to 28 mm. long by 11 mm. wide; main nerves 20–30 on each side, set at 50°–70° to the midrib, the lowest ones curved outwards.
Morphology Reproductive morphology Inflorescences
Inflorescences ± globose, ± 13 mm. across, terminal, usually sessile in the axil of a leaf or a pair of leaves with vestigial petioles; true bracts linear-lanceolate with subulate tips or wholly subulate, up to 5 mm. long; pedicels ± 1 mm. long, mostly not reflexed in fruit.
Morphology Reproductive morphology Flowers Calyx
Calyx with a few hairs at the margin; tube whitish, strongly 10–11-nerved, ± 2·5 mm. long; teeth triangular and with a scarious margin at the base, subulate for three-quarters of their length, 3–4 mm. long, recurved in fruit.
Morphology Reproductive morphology Flowers Corolla
Corolla purple; standard 6·5–7·5 mm. long; blade of wing shorter than the claw.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens ± 5 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Ovary Ovules
Ovules 2.
Morphology Reproductive morphology Fruits
Fruit glabrous, ± 3·5 by 2 mm.
Morphology Reproductive morphology Seeds
Seeds 2, yellowish-brown, ± 1·4 by 1 mm.
Habitat
Pastures and short grassland; 1400–2200 m.; rainfall 900–1450 mm.
Distribution
T4 T7 U2
[FTEA]

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]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Afromontane grassland
Morphology General Habit
Annual, Not climbing, Herb
[ILDIS]

Leguminosae, various authors. Flora Zambesiaca 3:7. 2003

Morphology General Habit
Annual herb, almost glabrous.
Morphology Stem
Stems prostrate or ascending.
Morphology Leaves
Leaves petiolate; leaflets c. 13(28) × 11 mm, ovate or oblong, rounded or truncate at the apex, cuneate at the base, the lateral nerves 20–30 on each side; petioles mostly 3 cm long, reducing in the upper leaves; stipules with the free part longer than the base, tapering gradually.
Morphology Reproductive morphology Inflorescences
Inflorescence terminal, ± globose, usually sessile in the axil of the uppermost pair of leaves; bracts up to 5 mm long, narrowly lanceolate, subulate at the tip or wholly subulate.
Morphology Reproductive morphology Flowers
Flowers with pedicels c. 1 mm long, not reflexed in fruit.
Morphology Reproductive morphology Flowers Calyx
Calyx sparsely pilose only at the margin; tube c. 2.5 mm long, strongly 10–11-nerved; teeth triangular with scarious margins at the base, subulate for three-quarters of their length, recurved in fruit.
Morphology Reproductive morphology Flowers Corolla
Corolla purple; standard oblong, rounded at the apex; wings with blade shorter than the claw, the auricle very short; keel with a white ventral nerve.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens c. 5 mm long.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1.5 mm long, 2-ovulate.
Morphology Reproductive morphology Fruits
Pod oblong, with papery walls and thickened sutures, dehiscing dorsally, glabrous, 2-seeded.
Morphology Reproductive morphology Seeds
Seeds yellowish-brown.
[FZ]

Uses

Use
Forage
[ILDIS]

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

  • International Legume Database and Information Service

    • International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    • 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