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Electronic Flora of South Australia genus Fact Sheet

Family: Cruciferae
Sisymbrium

Citation: L., Sp. Pl. 657 (1753).

Derivation: Greek, sisymbrion, a name for a herb now of doubtful identity.

Synonymy: Not Applicable

Common name: None

Description:
Annual or biennial herbs.

Sepals equal; petals clawed; stamens 6.

Fruit a siliqua, dehiscent, not beaked; valves with 3 veins; seeds in 1 row per locule, mucous; cotyledons usually flat; radicle incumbent.

Distribution:  90 species in temperate regions of Europe, the Mediterranean, Asia, South Africa, North America and the Andes of South America; 6 species established in Australia.

Biology: No text

Key to Species:
1. Siliqua erect; pedicels closely appressed to the stem
S. officinale 3.
1. Siliqua spreading from spreading pedicels
 
2. Flowers large; petals more than 6 mm long
S. orientale 4.
2. Flowers small; petals less than 6 mm long
 
3. Siliqua curved, spreading; pedicels slender, 6-10 mm long; petals more than 2.5 mm long
S. irio 2.
3. Siliqua straight, horizontal; pedicels thick, 2-3 mm long; petals less than 2.5 mm long
S. erysimoides I.

Author: Not yet available


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