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Annual, 3–7 dm; pet 5–8, red with a dark basal spot, 8–15 mm; anthers blackish-purple; achenes glabrous, with a straight beak; 2n=32. Native of Eurasia, occasionally escaped in our range, esp. toward the south. Late summer.
| Life form | annual | ||||||||||||
| Growth form | herb | ||||||||||||
| Growth support | free-standing | ||||||||||||
| Foliage retention | deciduous | ||||||||||||
| Sexuality | hermaphrodite | ||||||||||||
| Pollination | entomogamy | ||||||||||||
| Spread | epizoochory | ||||||||||||
| Mature width (meter) | 0.1 - 0.5 | ||||||||||||
| Mature height (meter) | 0.25 - 0.43 | ||||||||||||
| Root system | tap-root | ||||||||||||
| Rooting depth (meter) | - | ||||||||||||
| Root diameter (meter) | - | ||||||||||||
| Flower color | |||||||||||||
| Blooming months |
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| Fruit color | - | ||||||||||||
| Fruiting months | - | ||||||||||||
| Nitrogen fixer | - | ||||||||||||
| Photosynthetic pathway | c3 |
| Light |
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| Soil humidity | 
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| Soil texture | 
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| Soil acidity | 
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| Soil nutriment | 
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| Hardiness (USDA) | 
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| Uses | environmental use experimental purposes medicinal poison |
| Edible | - |
| Therapeutic use | Diuretics (flower), Laxatives (flower), Urinary bladder calculi (flower), Wounds and injuries (leaf), Cardiac (unspecified), Diuretic (unspecified), Emmenagogue (unspecified), Poison (unspecified), Stimulant (unspecified), Tonic (unspecified), Carcinoma (unspecified), Cardiotonic agents (unspecified), Diuretics (unspecified), Anti-poisoning (unspecified), Astringents (whole plant) |
| Human toxicity | strong toxic (whole) |
| Animal toxicity | strong toxic (whole) |
| Mode | seedlings |
| Germination duration (days) | 30 - 120 |
| Germination temperacture (C°) | 18 |
| Germination luminosity | - |
| Germination treatment | - |
| Minimum temperature (C°) | -40 |
| Optimum temperature (C°) | - |
| Size | - |
| Vigor | - |
| Productivity | - |
| LSID | urn:lsid:ipni.org:names:708062-1 |
| WFO ID | wfo-0000521134 |
| COL ID | 654KB |
| BDTFX ID | 837 |
| INPN ID | 80212 |
| Wikipedia (EN) | Link |
| Wikipedia (FR) | Link |