Comparaison

Photos

Hornungia petraea

© PF
Critères
Critère
Hornungie des pierres
Hornungia petraea
Période floraison ou sporulation
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Rareté Très rare (RR)
Hauteur mini-maxi 5 - 10 cm
Bord des limbes Echancrures >20% du limbe
Lobé ou découpé
Couleur dominante des pièces pétaloides Blanche
Dimension de la fleur en mm Moins de 5 mm
2
Disposition des feuilles Absence de tige aérienne
Feuilles en rosette entourant une hampe florale
Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Feuilles découpées ou composées
Fréquence Très rare (RR)
Habitat Prairie, pelouse
Eboulis, rocher, terrain rocailleux
Champ cultivé, vigne
Hauteur maxi de la plante en cm à 10 cm
10
Hauteur mini de la plante en cm 5
Nombre d'étamines 6
Nombre de pétales ou de tépales 4
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille plus ou moins découpée
Pennée et plus profondément découpée
Type biologique Plante terrestre
Plante annuelle
Type d'inflorescence Fleurs regroupées
Grappe ou grappe composée
Type de fleur Symétrie radiale
Pétales ou tépales libres
Type de fruit Sec déhiscent
À 2 valves avec une cloison centrale (silique)
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Insertion des feuilles sur la tige Feuilles non embrassantes
Longueur du fruit < 5 mm
Pilosité des feuilles Présence de poils étoilés ou ramifiés
Type de fruit Silicule
Aplati perpendiculairement à la cloison
Particularité du fruit Silicule lancéolée à deux graines par loge
Carte des observations
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