Species
Centaurea jacea var. nigra () 
Species data
| MNHN species code | 588 |
| abbrevation | Cenjace7 (VAR) |
| botanical genus | Centaurea |
| botanical family | Asteraceae |
| phytosociologic indication | |
| regne | Plantae |
| phylum | |
| classe | Equisetopsida |
| ordre | Asterales |
| famille | Asteraceae |
| CD_TAXSUP | 132911 |
| rang | VAR |
| habitat | 7 |
| statut | P |
identification
| main french name | Centaurée noire [Centaurea jacea var. nigra ] |
| main english name | Brown Knapweed |
| main german name | Echte Flockenblume |
| main spanish name | |
| Code_BDNFF | |
Species Synonyms
| name |
language_id |
|
Ambrette sauvage |
Français |
|
Barbeau |
Français |
|
Centaurée amère |
Français |
|
Tête de moineau |
Français |
|
Jacée |
Français |
|
Brown-rayed Knapweed |
English |
|
Knapweed |
English |
|
Tausendgüldenkraut |
Deutsch |
|
Knopfblume |
Deutsch |
|
Gewöhnliche Flockenblume |
Deutsch |
|
Gasageknöpf |
Deutsch |
|
Setachna nigra (L.) Dulac, 1867 |
Latin |
|
Rhaponticum ciliatum Lam., 1779 |
Latin |
|
Platylophus obscurus (Jord.) Fourr., 1869 |
Latin |
|
Phrygia nigra (L.) Gray, 1821 |
Latin |
|
Jacea vulgaris Bernh., 1800 |
Latin |
|
Jacea nigra Lam., 1779 |
Latin |
|
Jacea nigra (L.) Hill, 1769 |
Latin |
|
Cyanus niger (L.) Gaertn., 1791 |
Latin |
|
Centaurea obscura Jord., 1854 |
Latin |
|
Centaurea nigra L. subsp. nigra |
Latin |
|
Centaurea nemoralis subsp. obscura (Jord.) Berher, 1887 |
Latin |
|
Centaurea jacea L., 1754 |
Latin |
|
Centaurea aterrima Hayek, 1899 |
Latin |
|
Centaurea jacea L. |
Latin |
Gallery
agronomy
| forage category | Poor various species |
| forage value | 2 |
| unpaletable species | Non |
| value for horse | |
| Value for cattle | |
| vallue for sheep | |
| Value for goat | |
| forage quality stage 1 | |
| forage quality stage 2 | |
| forage quality stage 3 | |
patrimony
| red list | |
| regional protection | |
climate
| light | 5 |
| annual temperature index | 0 |
| continentality | 5 |
| resistance to flooding | No |
| adpatation to wet and dry conditions | Non |
soil
| soil moisture | 0 |
| nitrogen soil fertility | 6 |
| pH | 0 |
| salinity | 0 |
| soil organic matter content | |
| phosphorus soil fertility | 0 |
| potassium soil fertility | |
management
| resistance to fire | |
| resistance to trampling | 6 |
| cutting resistance | 6 |
life traits
| life cycle | Perennial |
| raunkier classification | Hemicryptophyte |
| CSR strategy | |
| specific leaf area | |
| leaf dry matter content | |
| Functional Orphée INRA Toulouse | |
diaspores
| diaspore_weight | |
| diaspore shape | |
| seed bank longevity | 1-5 years |
| diaspore type | 1-5 years |
| fructification sum of temperature | |
| fructification beginning date | |
| fructification_ending | |
dispersion
| dispersion sum of temperature | |
| dispersion beginning date | September |
| dispersion ending date | October |
| dispersion mode | Autochorous |
| dispersion organ | Autochorous |
| dispersion : additional data | Light gravity |
| diaspore number per dispersion | 1001-10000 |
germination
| germination season | 1001-10000 |
| germination sum of temperature | |
| germination beginning date | |
| germination ending date | |
| optimal germination temperature | 5-35°C |
| minimal germination temperature | 2-5°C |
| maximal germination temperature | 35°C |
aerial part
| aerial axis base structure | Dense tuft |
| aerial axis | Erected stem |
| aerial part characteristics | Short and slim |
| aerial part height | 0,3-0,6 m |
| branching | Mesotony |
| lignification of aerial part | Non woody |
leaves
| leaf life span | Juin Juil Aou Sept |
| leaf nitrogen content | |
| leaf dry matter content | |
| leaf anatomy | Scléromorphe (Malacophylle / Microphylle) |
| leaf shape | 2-20 cm² |
| leaf area | |
| leaf width | |
| leaf length | |
| leaf distribution | Répartition régulière |
roots
| root type | Pivotant |
| root depth | 8 (0- > 100 cm) |
| root lateral_expansion | Plusieurs axes (Clonal) |
| root length | |
| root diameter | |
| root organ | Oui |
reproduction
| vegetative reproduction | Semis / Voie vgtat |
| type of reproduction | Lien parent > 2 ans |
| flowering sum of temperature | |
| reproduction beginning date | Juin |
| flowering ending date | Octobre |
| flower dominant colour | Pourpre |
Pollination
| Pollinator insects | abeilles - bourdons - guêpes - syrphes - bombilidés |
| pollination | |
| Main color | red |
| UV reflection | 8-15% extérieur et 0-7% intérieur |
| Pollen | |
| Nectar | moyen |
Relevés where species is present
Samples :
2266 Percent :
22660.00
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