Comparaison

Photos

Stachys arvensis
© JP
Critères
Critère
Épiaire des champs
Stachys arvensis
Période floraison ou sporulation
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  • A
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  • O
  • N
  • D
Rareté Rare (R)
Hauteur mini-maxi 10 - 30 cm
Bord des limbes Echancrures < 20% du limbe
Crénelé
Couleur dominante des pièces pétaloides Rose, lilas
Dimension de la fleur en mm Moins de 1 cm
8
Disposition des feuilles Tige aérienne avec feuilles
Opposées
Forme de la tige ou de la hampe florale Tige anguleuse
Quadrangulaire
Forme des feuilles indivises Rapport longueur / largeur 1-2
Ovale, oblongue ou obovale
Fréquence Rare (R)
Habitat Terrain vague, chemin
Prairie, pelouse
Hauteur maxi de la plante en cm 11 à 30 cm
30
Hauteur mini de la plante en cm 10
Nombre d'étamines 4
Nombre de pétales ou de tépales Corolle à 2 lèvres
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante annuelle
Type d'inflorescence Fleurs regroupées
En verticilles ou glomérules
Type de fleur Symétrie bilatérale
Pétales ou tépales soudés
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Disposition des feuilles et bractées Toutes opposées sur l'ensemble de la plante
Disposition des étamines Saillantes et divergentes
Saillantes et parallèles
Disposition et nombre de fleurs par noeud Inflorescence condensée en verticille
Verticille de 2 à 6 fleurs
Forme de la corolle Pétales très inégaux, lèvre supérieure visible
3 pétales inférieurs développés
Forme du calice Calice à segments ± égaux
Calice à 4 ou 5 dents
Lèvre supérieure de la corolle En casque bombé presque entière
Entière ou bilobée et ± dressée
Nervation du calice 5 ou 10 nervures principales, nettes
Type de fruits 4 akènes en croix
Nombre de feuilles sur la tige Plus de 3 paires de feuilles plus rapprochées
1 à 3 paires de feuilles très espacées
Pilosité des anthères Anthères glabres
Pilosité du calice Calice très velu, poils glanduleux courts ou nuls
Pilosité général Glabre ou recouverte de poils étalées
Taille du pétiole Pétiole allongé > 1 cm
Carte des observations
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