Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Sigesbeckia (St. Paul's Wort)
50–150 cm tall, <i>without</i> latex. <span class="v1">inflorescence:</span> capitula (with involucres). <span class="v1">capitula:</span> <b>with tubular <i>and</i> ray-flowers</b>, Ø 20–35 mm. <span class="v1">involucral bracts:</span>...
riparian vegetation, mudflat vegetation, reedbeds, perennial herbaceous vegetation, ruderal vegetation, fields, vineyards
in nutritious, alkaline habitats