Gesneriaceae
Streptocarpus

Streptocarpus wittei De Wild.

First published in Contr. Fl. Katanga, Suppl. 4: 90 (1932)
This species is accepted
The native range of this species is S. DR Congo to Malawi. It is a lithophyte and grows primarily in the subtropical 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: threatened. Confidence: low confidence
[AERP]

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

Morphology General Habit
Unifoliate monocarpic herb.
Morphology Leaves
Leaf broadly ovate, up to 25 × 28 cm., base cordate; upper surface shortly but rather densely pilose, the lower surface densely pilose on the nerves, more sparingly so in between; margin shallowly crenate.
Morphology Reproductive morphology Inflorescences
Inflorescences 1–5, many-flowered, several flowers open simultaneously on each.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 10–20 cm. long, densely pilose-pubescent with eglandular and (especially towards top) glandular hairs.
Morphology Reproductive morphology Flowers Pedicel
Pedicels densely glandular-pilose, 30–45 mm. long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts usually linear, c. 8 × 1.5 (3) mm. long, densely pilose.
Morphology Reproductive morphology Flowers Calyx
Calyx segments 5–10 × 1.5 mm., linear, obtuse, densely pilose-pubescent, many of the hairs often glandular.
Morphology Reproductive morphology Flowers Corolla
Corolla 50–60 mm. long; tube 30–40 × 6–7 mm., almost straight or slightly deflexed and widened above the middle, most of the short spreading hairs on the outside glandular; upper lip of 2 rounded lobes 8–13 × 7–10 mm., lower lip 17 mm. long, median lobe 11 × 10 mm., laterals 9×9.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens arising in upper third of corolla tube; filaments 6–8 mm., glandular towards top; anther lobes 2 mm.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 20 mm. long, densely short spreading pubescent, most of the hairs eglandular, passing into style 10 mm. long and becoming more glandular upwards; stigma stomatomorphic.
Morphology Reproductive morphology Fruits
Capsule 50–90 (usually c. 80) mm. long.
Morphology Reproductive morphology Seeds
Seeds 0.4–0.6 mm. long, reticulate.
[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

    • '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/

  • 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