Characteristics
- Perennial
- Leaves: alternate, unevenly pinnate
- Height: 30-90 cm
- Flowers: pink, clusters
- Fruit: spiky, legume pod
- Root: Taproot, lateral root with rhizobia bacteria
Environmental needs
- Prefers calcerous soils
- Very tolerant to drought
- Requires warmth
- Winter-hardy
Green manure
- Good root penetration → exploits the subsoil, survives drought, improves soils
- Nitrogen-fixing