Comparaison

Photos

Euphorbia seguieriana

Critères

Critère	Euphorbe de Séguier Euphorbia seguieriana
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Très rare (RR)
Hauteur mini-maxi	15 - 40 cm
Dimension de la fleur en mm	Moins de 5 mm 3
Nombre de pétales ou de tépales	4 Aucun pétale
Caractère particulier	Tige contenant un suc laiteux
Couleur dominante des pièces pétaloides	Pas de calice ni de corolle
Nombre d'étamines	1
Position de l'ovaire	Supère
Habitat	Prairie, pelouse Terrain sec
Port de la plante	Tige dressée
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	Elliptiques ou en demi-cercle, sans pétales
Nombre de rayons principaux de l'ombelle	Plus de 9 rayons
Ornementation des graines	Lisses
Ornementation du fruit	Lisse parfois velu
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
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
Bord des limbes	Echancrures < 20% du limbe Entier à marge lisse ou scabre
Type de fleur	Autre Autre (Voir aide)
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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