Orobanchaceae
Buchnera

Buchnera bangweolensis R.E.Fr.

First published in Wiss. Erg. Schwed. Rhodesia-Kongo-Exp. 1911-1912, 1: 291 (1916)
This species is accepted
The native range of this species is S. Tanzania to Zimbabwe. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Type
Type: Zambia, Lake Bangweulu, Fries 892 (K!, lecto.)
Morphology General Habit
Annual, 30–65(–90) cm or more tall, erect.
Morphology Stem
Stems slender, simple but occasionally branched within inflorescence, glabrous except for few patent hairs towards base
Morphology Leaves
Leaves opposite or upper alternate, subappressed to stem, linear, 4–30 mm long, 0.2–1(–1.5) mm wide, apex acute, 1-veined, scabrid, hispid-ciliate
Morphology Reproductive morphology Inflorescences
Spikes subquadrangular, compact, 8–25(–50) mm long, to 6.5 mm wide, not becoming lax in fruit; bracts broadly subreniform, 3.5–5 mm long, 3–4 mm wide, apex with a broad mucro, not keeled, shortly pubescent, hispid-ciliate; bracteoles linear-lanceolate, 2.5–3.5 mm long, 0.5–0.8 mm wide, acute, hispid-ciliate
Morphology Reproductive morphology Flowers Calyx
Calyx 4-lobed, (2.5–)3.5–4 mm long, 4-veined; lobes lanceolate, 1.5–2 mm long, ciliate, erect, sinus ± 2–2.5 mm deep
Morphology Reproductive morphology Flowers Corolla
Corolla pink to mauve or pale purple; tube 5.5–6 mm long, externally glabrous, slightly short-pilose at throat; limb 1.5–2 mm in diameter; lobes subobovate to oblong, ± 1 mm long, 0.7–0.8 mm wide
Morphology Reproductive morphology Fruits
Capsule broadly ovoid, 2.8–3 mm long, 1.6–1.8 mm broad, slightly emarginate; beak to ± 0.4 mm long.
Ecology
Peaty bogs and wet grasslands; 900–1600 m
Conservation
Least Concern (LC); localised (but not uncommon) in the Flora area, and not known to be at threat
Distribution
Flora districts: T8 Range: Zambia, Zimbabwe
[FTEA]

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

Morphology General Habit
Annual herb, 30–65(75) cm. tall, erect; stem slender, simple but occasionally branched within inflorescence, glabrous except for few patent hairs towards base.
Morphology Leaves
Leaves 4–24 x 0.2–1(1.5) mm., 1-nerved, subappressed to stem, linear, scabrid, hispid-ciliate.
Morphology Reproductive morphology Inflorescences
Spikes 8–25(35) mm. long, to 6.5 mm. wide, subquadrangular, compact, not becoming lax in fruit.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 3.5–5 x 3–4 mm., broadly subreniform with a short broad apical mucro, shortly pubescent, hispid-ciliate, not keeled.
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles 2.5–3.5 x 0.5–0.8 mm., linear-lanceolate, acute, hispid-ciliate.
Morphology Reproductive morphology Flowers Calyx
Calyx (2.5)3.5–4 mm. long, 4-lobed, 4-nerved; lobes lanceolate 1.5–2 mm. long, ciliate, erect, sinus c. 2–2.5 mm, deep.
Morphology Reproductive morphology Flowers Corolla
Corolla pink to mauve or pale purple; tube 5.5–6 mm. long, glabrous without, slightly short-pilose at throat; limb 1.5–2 mm. in diam.; lobes c. 1 x 0.7–0.8 mm., subobovate to oblong.
Morphology Reproductive morphology Fruits
Capsule 2.8–3 x 1.6–1.8 mm., broadly ovoid, slighdy emarginate; beak to c. 0.4 mm. long.
[FZ]

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]

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 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