Comparaison

Photos

Euphorbia esula

Critères

Critère	Euphorbe ésule Euphorbia esula
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Très rare (RR)
Hauteur mini-maxi	50 - 80 cm
Couleur dominante des pièces pétaloides	Pas de calice ni de corolle
Nombre de pétales ou de tépales	Aucun pétale 4
Caractère particulier	Tige contenant un suc laiteux
Habitat	Mégaphorbiaie Terrain vague, chemin
Nombre d'étamines	1
Port de la plante	Tige dressée
Position de l'ovaire	Supère
Nombre de graines par loge	1 graine par carpelle ( 2 ou 3 au total par fruit)
Détail du fruit	Capsule à 3 loges (tricoque)
Caractère particulier	Présence de latex
Dimension du fruit	Capsule de 2 à 3 mm Capsule de 3 à 5 mm
Forme des bractéoles sous-tendant les fleurs du so	Semi-circulaires ou largement ovales libres
Forme des glandes nectarifères	En forme de croissant ou de cornes
Nombre de rayons principaux de l'ombelle	6 à 9 rayons Plus de 9 rayons
Ornementation des graines	Lisses
Ornementation du fruit	Finement granuleux sur tout le dos des loges
Pilosité de la plante	Parfaitement glabre
Pilosite des capsules	Capsules entièrement glabres parfois verruqueuses
Type de plante	Plante herbacée à fleurs Autre plante herbacée à fleur
Type biologique	Plante terrestre Plante vivace en surface Plante vivace souterraine
Disposition des feuilles	Tige aérienne avec feuilles Alternes
Structure de la feuille	Feuille non découpée Simple, non découpée
Forme des feuilles indivises	Rapport longueur / largeur 2-5 Lancéolée Ovale lancéolée ou oblancéolée Rapport longueur / largeur > 10 Linéaire
Bord des limbes	Echancrures < 20% du limbe Entier à marge ondulée
Type de fleur	Symétrie radiale Pétales ou tépales libres Autre Autre (Voir aide)
Dimension de la fleur en mm	Moins de 5 mm 2
Type d'inflorescence	Fleurs regroupées Cyathe
Type de fruit	Sec déhiscent À autre mode d'ouverture (capsule)
Forme de la tige ou de la hampe florale	Tige cylindrique Lisse ou finement striée

Carte des observations

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