Annual, rarely perennial, branched herbs, with simple hairs
Leaves
simple, pinnatifid or pinnatisect
Inflorescences
ebracteate racemes
Sepals
spreading, not saccate
Petals
shortly clawed, yellow
Stamens
6; filaments without appendages
Nectaries
at base of long filaments, tongue-shaped, lateral ones reniform
Fruit
a linear siliqua, 3-5-nerved, 0-9-seeded, sometimes flattened; valves convex; beak long
Seeds
globose, in 1 row; cotyledons folded longitudinally around incumbent radicle
x = 6, 7 (polyploidy)
Nomenclature:
*Sinapis
L.
Linnaeus: 668 (1753)
Linnaeus: 299 (1754)
Sonder: 32 (1860)
Schulz: 335 (1936)
Exell: 188 (1960)
Chater: 339 (1964)
Marais: 10 (1970)
Distribution & Notes:
Global
: Species ± 10, Mediterranean region but some now widespread in other parts of Europe
Southern Africa
: Species 2: *
Sinapis arvensis
L., recorded in Mpumalanga, Gauteng, Free State,
KwaZulu-Natal, and *
S. alba
L. in the Eastern Cape as weeds of cultivation
LINNAEUS, C. 1753.
Species plantarum
. Laurentius Salvius, Stockholm
LINNAEUS, C. 1754.
Genera plantarum
, edn 5. Laurentius Salvius, Stockholm
MARAIS, W. 1970.
Cruciferae
.
Flora of southern Africa
13
SCHULZ, O.E. 1936.
Cruciferae
.
Die natürlichen Pflanzenfamilien
II,17b
SONDER, O.W. 1860.
Crucifereae
.
Flora capensis
1
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