Scrophulariaceae
Hebenstretia

Hebenstretia holubii Rolfe

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 5: 266 (1900)
This species is accepted
The native range of this species is Zambia to Caprivi Strip. 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, D. Philcox. Flora Zambesiaca 8:2. 1990

Morphology General Habit
Annual herb, 20–90 cm. tall.
Morphology Stem
Stems erect, somewhat woody especially at the base, branched; branches shortly pubescent to subglabrous, many-leaved.
Morphology Leaves
Leaves (10)20–35(40) x 0.2–0.5 mm., narrowly linear, subglabrous, entire, occasionally with smaller leaves in axils.
Morphology Reproductive morphology Inflorescences
Inflorescence spicate up to 28 cm. long in fruit, flowers compact on spike, imbricate, rarely laxly distributed on spike.
Morphology Reproductive morphology Inflorescences Bracts
Bracts (2.75)3–4(4.5) x (1.25)1.5–2 mm., ovate to ovate-lanceolate, acuminate, glabrous, margins hyaline.
Morphology Reproductive morphology Flowers Calyx
Calyx 2.5–3 mm. long, shorter than bracts, ovate-oblong, emarginate, obtuse with 2 slender, parallel nerves.
Morphology Reproductive morphology Flowers Corolla
Corolla (5)7–8 mm. long, white with orange throat; tube slender, glabrous; lobes about 1 mm. long, oblong to rounded.
Morphology Reproductive morphology Fruits
Capsule 3–4 mm. long, c. 1.25 mm. broadly cylindric-ovoid.
[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

  • 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 2026. 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 2026. 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