plant description
- General - height 15 cm, spread 30 cm, semi-evergreen,
rhizomatous perennial
- Leaves - ovate to heart-shaped
- Flowers - dark purple, white or yellow, sweetly scented
- Fruit - globose, three-lobed capsules
parts used
- leaves, flowers, root, essential oil
harvest
- Whole plants, leaves and flowers are collected during
flowering season. Roots are collected in autumn.
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