Apocynaceae
Pachycarpus

Pachycarpus distinctus (N.E.Br.) Bullock

First published in Kew Bull. 8: 335 (1953)
This species is accepted
The native range of this species is S. Tanzania. It is a perennial or tuberous geophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

Morphology General Habit
Perennial herb similar in most respects to P grantii
Morphology Leaves
Leaf lamina lanceolate to oblong, 4–11 × 1–3.5 cm. Corolla white or reddish purple
Morphology Reproductive morphology Flowers Corona
Corona lobes spreading or ascending at the base, ascending or erect above, spatulate or obtriangular, 5–13 × 1.5–4.5 mm, entire, emarginate or toothed at the apex, margins sometimes undulate or toothed, with or without a pair of auricles towards the base, inner face with a pair of erect triangular plates along the midline of the lobes between the basal auricles
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther wings 1.5–2 mm long
Morphology Reproductive morphology Flowers Gynoecium Style
Stylar head not exserted from top of column
Morphology Reproductive morphology Fruits
Follicles not seen
Figures
Fig 107/14–15, p 444
Ecology
Tall grassland and Brachystegia woodland; 1000–2000 m
Distribution
Range: Endemic to the uplands of SE Tanzania Flora districts: T7 T8
[FTEA]

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: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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