Comparaison

Photos

Laserpitium latifolium

Critères

Critère	Laser à feuilles larges Laserpitium latifolium
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Extrêmement rare (RRR)
Hauteur mini-maxi	50 - 160 cm
Couleur dominante des pièces pétaloides	Blanche
Nombre de pétales ou de tépales	5
Port de la plante	Tige dressée
Caractère particulier	Plante à odeur désagréable
Habitat	Eboulis, rocher, terrain rocailleux Mégaphorbiaie
Nombre d'étamines	5
Position de l'ovaire	Infère
Inflorescence détail	Ombelles composées d'ombellules
Nombre de rayons par ombelle	26 à 50 16 à 25
Pilosité du fruit	Glabre et non épineux Velu
Détail des folioles	Ovales en coeur à la base, régulièrement dentées
Découpure de la feuille	Derniers segments larges: limbe au - 2 fois divisé
Forme des bractées de l'involucre	Involucre développé, bractées entières
Forme des bractéoles de l'involucelle	Involucelle développé, plus de 2 bractéoles
Inégalité des fleurs	Fleurs périphériques à peine plus grandes
Pilosité de la plante	Plante velue Plante glabre ou localement ciliée
Forme du fruit	Fruit à 2 fois 4 ailes
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 plus ou moins découpée Pennée et plus profondément découpée
Forme des feuilles indivises	Feuilles découpées ou composées Feuilles découpées ou composées
Bord des limbes	Echancrures >20% du limbe Lobé ou découpé
Type de fleur	Symétrie radiale Pétales ou tépales libres Symétrie bilatérale Pétales ou tépales libres
Dimension de la fleur en mm	Moins de 5 mm 3
Type d'inflorescence	Fleurs regroupées Ombelle
Type de fruit	Sec indéhiscent Akène simple
Forme de la tige ou de la hampe florale	Tige cylindrique Lisse ou finement striée Nettement sillonnée
Ornementation du fruit	Fruits sans aiguillons, poils ou écailles Ailé
Forme du fruit	Non aplati en disque ou lentille Ovoïde, entre 1 et 2 fois plus long que large

Carte des observations

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