Raphanus L.

First published in Sp. Pl.: 669 (1753)
This genus is accepted
The native range of this genus is Europe to Central Asia and Pakistan, Macaronesia to N. Africa.

Descriptions

Cruciferae, A. W. Exell. Flora Zambesiaca 1:1. 1960

Morphology General Habit
Annual, biennial or perennial herbs with lyrate-pinnatifid, somewhat glaucous leaves.
Morphology Reproductive morphology Flowers
Flowers in terminal, ebracteate racemes.
Morphology Reproductive morphology Flowers Calyx
Sepals erect.
Morphology Reproductive morphology Flowers Corolla
Petals 4, unguiculate.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6.
Morphology Reproductive morphology Fruits
Fruit jointed, the lowest joint (corresponding to the valves of a typical silique) short, slender, seedless, the upper joints containing the seeds, cylindric or moniliform and usually breaking transversely when ripe into 1-seeded joints, apex narrowed into a seedless beak.
Morphology Reproductive morphology Seeds
Seeds subspherical or ovoid, reddish-brown, pitted.
[FZ]

Cruciferae, Bengt Jonsell (University of Stockholm). Flora of Tropical East Africa. 1982

Morphology General Habit
Annual to perennial herbs, ± hispid with simple hairs
Morphology Leaves
Leaves lyrate-pinnatipartite to pinnatifid
Morphology Reproductive morphology Inflorescences
Racemes terminal, ebracteate, ± corymbiform, with many rather large flowers, in fruit elongate, lax
Morphology Reproductive morphology Flowers Calyx
Sepals erect, the inner larger and somewhat saccate
Morphology Reproductive morphology Flowers Corolla
Petals white, yellow or ± violet, clawed
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6; filaments linear; anthers linear, obtuse
Morphology Reproductive morphology Flowers Nectaries
Lateral nectaries very small, median semiglobose or filiform
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary biarticulate; lower segment very short, upper segment long with 2–20 ovules; stigma capitate
Morphology Reproductive morphology Fruits
Fruit a transversely articulate siliqua; lower segment usually stalk-like, very short, seedless; upper segment indehiscent, cylindrical, in transverse section circular, ± constricted between the seeds, sometimes lomentaceous (i.e. breaking up into 1-seeded portions); beak narrow, seedless
Morphology Reproductive morphology Seeds
Seeds ovoid to globose, reticulate to smooth.
[FTEA]

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
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0