Comparaison

Photos

Calendula arvensis

© GA
Critères
Critère
Souci des champs
Calendula arvensis
Période floraison ou sporulation
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Rareté Rare (R)
Hauteur mini-maxi 15 - 30 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Jaune
Dimension de la fleur en mm 1 à 2 cm
15
Disposition des feuilles Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige anguleuse
+ de 4 angles
Forme des feuilles indivises Rapport longueur / largeur 1-2
Ovale, oblongue ou obovale
Rapport longueur / largeur 2-5
Lancéolée
Fréquence Rare (R)
Habitat Prairie, pelouse
Champ cultivé, vigne
Hauteur maxi de la plante en cm 11 à 30 cm
30
Hauteur mini de la plante en cm 15
Nombre d'étamines 5
Nombre de pétales ou de tépales Capitule
Port de la plante Tige dressée
Position de l'ovaire Infère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante annuelle
Type d'inflorescence Fleurs regroupées
Capitule
Type de fleur Symétrie radiale
Pétales ou tépales soudés
Symétrie bilatérale
Autre
Autre (Voir aide)
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Composition du capitule Fleurs en tube au centre et en languette autour
Les tubulées à 5 dents, les ligulées à 2 - 3 dents
Couleur du capitule À une seule couleur
Disposition des capitules Autres disposition des capitules
Position des épines Plante ne possédant pas d'épine
Présence d'écailles sur le capitule Réceptacle nu ou pubescent entre les fleurs
Présence de lait dans la plante Absence de lait
Type d'akène Non surmonté d'un pappus
Odeur de la plante Odeur agréable et originale de toute la plante
Particularité des fruits Fruits polymorphes (3 formes bien distinctes)
Carte des observations
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