Stereospermum Cham.

First published in Linnaea 7: 720 (1833)
This genus is accepted
The native range of this genus is Tropical Africa, Madagascar, Indian Subcontinent to S. China and W. Malesia. It is a tree.

Descriptions

Bignoniaceae, Sally Bidgood, Bernard Verdcourt, Kaj Vollesen. Cobaeaceae, Bernard Verdcourt. Flora of Tropical East Africa. 2006

Morphology General Habit
Erect trees or shrubs.
Morphology Leaves
Leaves imparipinnate.
Morphology Leaves Leaflets
Leaflets with main lateral veins opposite, sub-opposite or alternate, domatia absent.
Morphology Reproductive morphology Inflorescences
Inflorescence a terminal lax panicle.
Morphology Reproductive morphology Flowers Calyx
Calyx campanulate or tubular, variously lobed.
Morphology Reproductive morphology Flowers Corolla
Corolla slightly bilaterally symmetrical, infundibuliform, 2-lipped, the upper lip 2-lobed, the lower lip 3-lobed.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, included.
Morphology Reproductive morphology Sporangia
Thecae divergent.
Morphology Reproductive morphology Flowers Androecium Staminodes
Staminode present.
Morphology Reproductive morphology Flowers Disc
Disk cupular to annular.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary of 2 locules with many ovules.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma 2-lobed, flattened.
Morphology Reproductive morphology Fruits
Fruit long, terete, often twisted; septum thick, cavity with alternate notches accommodating the ellipsoid seeds, the membranes of which are flush to the septum surface.
Note
A genus of 15–20 species in tropical Asia, Africa and Madagascar.
[FTEA]

Bignoniaceae, M. A. Diniz. Flora Zambesiaca 8:3. 1988

Morphology General Habit
Glabrous or pubescent trees or shrubs.
Morphology Leaves
Leaves opposite, imparipinnate.
Morphology Reproductive morphology Inflorescences
Panicles terminal, many-flowered large.
Morphology Reproductive morphology Flowers Calyx
Calyx campanulate or tubulate, irregularly 2–5 lobed.
Morphology Reproductive morphology Flowers Corolla
Corolla slightly zygomorphic, pink; tube infundibuliform, lobes patent.
Morphology Reproductive morphology Flowers Androecium
Stamens 4, didynamous inserted in the corolla tube, included; anther-thecae divergent; staminode 1, more or less developed.
Morphology Reproductive morphology Flowers Disc
Disk entire or 5-lobed.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary linear-oblong, 4-angled, bilocular.
Morphology Reproductive morphology Flowers Gynoecium Ovary Ovules
Ovules numerous, 2-seriate per locule.
Morphology Reproductive morphology Fruits
Capsule longly linear-cylindrical.
Morphology Reproductive morphology Seeds
Seeds numerous, winged, arranged alternately along both sides of the septum.
[FZ]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • 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.
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. 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 2024. 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