SYMBRIUM OFFICINALE
Common Names:- Hedge mustard
Homotypic Synonyms:- Chamaeplium officinale, Erysimum officinale.
Meaning:- Sisymbrium (Gr) An ancient Greek name for various plants.
Officinale (L) Officinal medicine.
General description:- Annual or biennial
Stems:-
1) 5-100(-130) cm.
Leaves:-
1) Lower, pinnatisect, more or less ovate in outline, with a large terminal lobe.
Flowers:-
1) Inflorescence, ebracteate.
2) Petals, 2-4 mm.
3) Pedicels, 1-2 mm.
4) Anthers, c. 0·7 mm;
5) Ovary, with 10-20 ovules.
Fruit:-
1) Siliqua, (7-)10 20 x 1-1·6 mm, conical-cylindrical, straight, attenuate into the
style.
2) Seeds. 1-1·7 mm.
Key features:-
1) Inflorescence, ebracteate (rarely lowest 1-3 flowers bracteate).
2) Petals, 2-4 mm.
3) Siliqua, (7-)10-20 mm, straight, conical-cylindrical; closely appressed to the
stem.
Habitat:- Weed of terraced fields, gardens and orchards, but also by streams and
in wood- land clearings. 0-1300 m.
Distribution:- Common throughout Greece. - A widespread Euro-Siberian species ,
introduced and naturalised in temperate areas. Fairly common throughout Crete,
though more sparse in the central region.
Flowering time:- Mid-Mar to early Aug.
Photos by:- Courtesy of Wiki-Commons