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An annual herb. It is much branched. It grows 120 cm high. The leaves are broad and oval. They are 10 cm long. They are scalloped or have teeth. The flowers are white, blue or lilac. They are in interrupted spikes 25 cm long.
| Life form | annual |
| Growth form | herb |
| Growth support | free-standing |
| Foliage retention | deciduous |
| Sexuality | hermaphrodite |
| Pollination | entomogamy |
| Spread | - |
| Mature width (meter) | - |
| Mature height (meter) | 0.88 |
| Root system | - |
| Rooting depth (meter) | - |
| Root diameter (meter) | - |
| Flower color | - |
| Blooming months | - |
| Fruit color | - |
| Fruiting months | - |
| Nitrogen fixer | - |
| Photosynthetic pathway | - |
| Light |
|
| Soil humidity | 
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| Soil texture | 
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| Soil acidity | 
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| Soil nutriment | - |
| Hardiness (USDA) | 
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| Uses | medicinal |
| Edible | seeds |
| Therapeutic use | - |
| Human toxicity | - |
| Animal toxicity | - |
| Mode | cuttings seedlings |
| Germination duration (days) | 10 - 17 |
| Germination temperacture (C°) | 20 - 23 |
| Germination luminosity | light |
| Germination treatment | stratification |
| Minimum temperature (C°) | - |
| Optimum temperature (C°) | - |
| Size | - |
| Vigor | - |
| Productivity | - |
| LSID | urn:lsid:ipni.org:names:457397-1 |
| WFO ID | wfo-0000302474 |
| COL ID | 79GJH |
| BDTFX ID | 118538 |
| INPN ID | 717527 |
| Wikipedia (EN) | Link |
| Wikipedia (FR) |