Species
Knautia arvensis (L.) Coult., 1828 ()
Species data
MNHN species code | 2588 |
abbrevation | Knaarve (ES) |
botanical genus | Knautia |
botanical family | Dipsacaceae |
phytosociologic indication | |
regne | Plantae |
phylum | |
classe | Equisetopsida |
ordre | Dipsacales |
famille | Caprifoliaceae |
CD_TAXSUP | 104516 |
rang | SSES |
habitat | 7 |
statut | P |
identification
main french name | Knautie des champs [Knautia arvensis (L.) Coult., 1828] |
main english name | Field Scabious |
main german name | Wiesen Witwenblume |
main spanish name | |
Code_BDNFF | |
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 | 7 |
annual temperature index | 6 |
continentality | 3 |
resistance to flooding | No |
adpatation to wet and dry conditions | Non |
soil
soil moisture | 4 |
nitrogen soil fertility | 5 |
pH | 0 |
salinity | 0 |
soil organic matter content | mull mésotrophe |
phosphorus soil fertility | 0 |
potassium soil fertility | |
management
resistance to fire | |
resistance to trampling | 4 |
cutting resistance | 4 |
life traits
life cycle | Perennial |
raunkier classification | Hemicryptophyte / Geophyte |
CSR strategy | CR |
specific leaf area | |
leaf dry matter content | |
Functional Orphée INRA Toulouse | |
diaspores
diaspore_weight | |
diaspore shape | |
seed bank longevity | <1 year |
diaspore type | <1 year |
fructification sum of temperature | |
fructification beginning date | |
fructification_ending | |
dispersion
dispersion sum of temperature | |
dispersion beginning date | September |
dispersion ending date | October |
dispersion mode | Barochorous / Zoochorous |
dispersion organ | Seed |
dispersion : additional data | Seed |
diaspore number per dispersion | 1001-10000 |
germination
germination season | April to June |
germination sum of temperature | |
germination beginning date | |
germination ending date | |
optimal germination temperature | |
minimal germination temperature | |
maximal germination temperature | |
aerial part
aerial axis base structure | Several basal stem |
aerial axis | Erected stem |
aerial part characteristics | Short and strong |
aerial part height | 0,3-0,6 m |
branching | Acrotony |
lignification of aerial part | Non woody |
leaves
leaf life span | Juin Juil Aou Sept |
leaf nitrogen content | |
leaf dry matter content | |
leaf anatomy | Mésomorphe (Malacophylle / Microphylle) |
leaf shape | 2-20 cm² |
leaf area | |
leaf width | |
leaf length | |
leaf distribution | Répartition régulière |
roots
root type | Pivotant / Rhizome / Stolon |
root depth | 8 (0- > 100 cm) |
root lateral_expansion | Plusieurs axes (Clonal) |
root length | |
root diameter | |
root organ | Non |
reproduction
vegetative reproduction | Surtout par semis / Voie vgtat |
type of reproduction | Bourgeons régénératifs après blessure / Organes de réserve dissémination ou expansion |
flowering sum of temperature | |
reproduction beginning date | Septembre |
flowering ending date | Novembre |
flower dominant colour | Rose ou lilas |
Pollination
Pollinator insects | abeilles - bourdons - guêpes - syrphes - bombilidés |
pollination | |
Main color | blue |
UV reflection | 0-7% extérieur et intérieur |
Pollen | |
Nectar | moyen |
Relevés where species is present
Samples :
1034 Percent :
10340.00
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