Gesneriaceae
Streptocarpus

Streptocarpus umtaliensis B.L.Burtt

First published in Bull. Misc. Inform. Kew 1936: 492 (1936)
This species is accepted
The native range of this species is E. Zimbabwe to W. Mozambique. It is an epiphyte or lithophyte and grows primarily in the wet tropical biome.

Descriptions

Gesneriaceae, O. M. Hilliard and B. L. Burtt. Flora Zambesiaca 8:3. 1988

Morphology General Habit
Monocarpic.
Morphology Leaves
Leaf solitary, oblong, up to c. 20 × 10 cm., base cuneate to subcordate, margin finely dentate-serrate, both surfaces appressed-pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescences several from base of midrib, many-flowered.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles up to c. 25 cm. long.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 5–20 mm. long, both pubescent.
Morphology Reproductive morphology Inflorescences Bracts
Bracts minute.
Morphology Reproductive morphology Flowers Calyx
Calyx divided to the base into 5 lanceolate segments c. 2.5 × 1 mm., pubescent.
Morphology Reproductive morphology Flowers Corolla
Corolla c. 11–13 mm. long, pure white or very rarely violet-blue, pubescent outside, glabrous inside except for minute unicellular hairs on roof and floor of tube and inside of lobes; tube 7–9 mm. long, 3–4 mm. diam., subcylindrical, directed downwards then forwards, somewhat ventricose below mouth, base slightly oblique and slightly saccate above; limb straight, lobes of both lips directed forwards, all lobes oblong, subequal, c. 2 mm. long.
Morphology Reproductive morphology Flowers Androecium
Stamens arising in lower third of corolla tube, filaments c. 3 mm. long, slightly thickened and glandular above; anther lobes c. 1 mm. long; staminodes minute.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary c. 4 mm. long, appressed-pubescent; style c. 4.5 mm. long, glabrous above, slightly dorsoventrally compressed; stigma elliptic, stomatomorphic, papillose.
Morphology Reproductive morphology Fruits
Capsule about 35 mm. long, 1.5 mm. broad, crowned with the persistent style base.
Morphology Reproductive morphology Seeds
Seeds 0.7–0.9 mm. long, reticulate.
[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: threatened. Confidence: low confidence
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/136533255/136538213

Conservation
LC - least concern
[IUCN]

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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. 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 2025. 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