Apocynaceae

Stephanostema K.Schum.

First published in Bot. Jahrb. Syst. 34: 325 (1904)
This genus is accepted
The native range of this genus is E. Tropical Africa.

Descriptions

Apocynaceae, E.A. Omino. Flora of Tropical East Africa. 2002

Morphology General Habit
Shrub with white latex
Morphology Leaves
Leaves opposite, with a row of colleters in the axils
Morphology Reproductive morphology Inflorescences
Inflorescence terminal or in axils of upper leaves, paniculate
Morphology Reproductive morphology Flowers
Flowers 5-merous
Morphology Reproductive morphology Flowers Calyx
Calyx with 0–5 colleters at the base near the edge
Morphology Reproductive morphology Flowers Corolla
Corolla salver-shaped; tube urceolate; lobes overlapping to the left, with a corona at the base
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included; filaments short, hispid at the apex; anthers apiculate and pilose at the apex, rounded at the base
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary of two free, rounded carpels, glabrous; pistil head with a cylindrical basal part with a skirt at the top and bottom and a bifid stigmoid apex
Morphology Reproductive morphology Fruits
Fruit of two slender, almost free follicular mericarps, dehiscent adaxially, glabrous
Morphology Reproductive morphology Seeds
Seeds with a coma at the apex, directed towards the base of the fruit
[FTEA]

Sources

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/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