Linderniella trichotoma (Oliv.) Eb.Fisch., Schäferh. & Kai Müll.

First published in Willdenowia 43: 228 (2013)
This species is accepted
The native range of this species is 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]

Scrophulariaceae, F. N. Hepper. Flora of West Tropical Africa 2. 1963

Morphology General Habit
Slender erect herb like the last (Ilysanthes gracilis) and in similar habitats -in moist pockets in rock outcrops.
[FWTA]

Scrophulariaceae, D. Philcox. Flora Zambesiaca 8:2. 1990

Morphology General Habit
Erect, slender annual, (3)6–14 cm. tall; stems simple or branched at base, quadrangular, glabrous or slightly pubescent.
Morphology Leaves
Leaves 2–5 x 0.5–0.75(1) mm., oblong-ovate to linear-ovate, obtuse, entire, opposite, smaller above.
Morphology Reproductive morphology Flowers
Flowers few, distantly racemose, in axils of bract-like reduced leaves, pedicellate.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 4–6 mm. long, slender, somewhat deflexed in fruit.
Morphology Reproductive morphology Flowers Calyx
Calyx 1.5–3 mm. long, glabrous, prominently 5-nerved; lobes 0.4–0.5 mm. long, lanceolate, acute, ciliolate.
Morphology Reproductive morphology Flowers Corolla
Corolla blue or mauve and white, 4–4.5(9) mm. long, upper lip c. 2.5 x 0.5 mm., oblong, bifid at apex with lobes narrowly acute to acuminate, lower lip 3-lobed, lobes oblong, rounded.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2 fertile, posterior filaments c. 0.75 mm. long, staminodes two, 0.2(1) mm. long, 0.1(0.5) mm. wide, oblong, obtuse, papillose.
Morphology Reproductive morphology Fruits
Capsule c. 4 x 1.5 mm,, linear-ellipsoid, acute.
[FZ]

Scrophulariaceae, S.A. Ghazanfar, F.N. Hepper & D. Philcox. Flora of Tropical East Africa. 2008

Type
Lectotype: Sudan, Niamniam country, Nganje on Ibba R., Schweinfurth 3991 (B†, holo.  K!, iso.)
Morphology General Habit
Annual herb, (3–)6–20 cm tall, slender.
Morphology Stem
Stems erect, simple or branched at or towards base, quadrangular, glabrous or slightly pubescent
Morphology Leaves
Leaves oblong-ovate to linear-ovate, 2–5 mm long, 0.5–1 mm wide, apex obtuse, margins entire; leaves smaller above
Morphology Reproductive morphology Flowers
Flowers few, distantly racemose, in axils of bract-like reduced leaves; pedicels 4–6 mm long, slender, somewhat deflexed in fruit
Morphology Reproductive morphology Flowers Calyx
Calyx 1.5–3 mm long, glabrous, prominently 5-veined; lobes lanceolate, 0.4–0.5 mm long, acute, ciliate
Morphology Reproductive morphology Flowers Corolla
Corolla blue or mauve and white with yellow throat, 4–4.5(–9) mm long; upper lip oblong, ± 2.5 mm long, 0.5 mm wide, bifid at apex with lobes narrowly acute to acuminate; lower lip 3-lobed, lobes oblong, rounded
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2, fertile; posterior filaments ± 1 mm long; staminodes 2, oblong, 0.2(–1) mm long, 0.1(–0.5) mm wide, obtuse, papillose
Morphology Reproductive morphology Fruits
Capsule linear-ellipsoid, ± 4 mm long, 1.5 mm broad, acute.
Ecology
Wet grasslands surrounding rocky outcrops, and water-filled depressions on rocks; 1200–1500 m
Conservation
Lesat Concern (LC); widespread
Note
Dandy made the combination Lindernia schweinfurthii as the name L. trichotoma had previously been used by Schlechter in 1924 (E.J. 59: 107) for a different species. Engler cited three syntypes with his description of Ilysanthes schweinfurthii and I (D.P.) have chosen Schweinfurth 3991 housed at Kew as the lectotype. Dandy clearly thought L. schweinfurthii and L. madiensis were distinct.
Distribution
Flora districts: U1 U2 U3 U4 K2 K5 T1 Range: West and Central Africa, Sudan, Ethiopia, Zambia
[FTEA]

Uses

Use
None recorded on specimens from our area
[FTEA]

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
  • Flora of West Tropical Africa

    • Flora of West Tropical 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 Backbone Distributions

    • 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
  • 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