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Vit.En.

Vit.En

Polygonum persicaria

Polygonum persicaria

Angiosperme: dicotiledone
Fam. Poligonaceae
Specie: P. persicaria
Forma biologica: terofita scaposa (Th)
Ciclo di vita: annuale
Altezza: 30-80 cm
Apparato radicale: fittonante
Fusto: ascendente, cilindrico, arrossato
Foglie: lanceolate-acuminate, sulla pagina superiore presentano macchia scura a V rovesciata
Fiore: infiorescenza a spiga, quelle ascellari brevi mentre quelle terminali dense ed erette con fiori bianco rosei di 5 elementi
Frutto: achenio
Antesi: luglio-ottobre
Habitat: terreni lavorati, incolti, coltivi

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