Jerusalem Artichoke (Helianthus tuberosus) (4)
In Central Europe, blooming of Helianthus tuberosus lasts from August till November. Afterwards, fertile disk florets are replaced by hairy achenes containing mottled black or brown seeds, 5 mm long…
In Central Europe, blooming of Helianthus tuberosus lasts from August till November. Afterwards, fertile disk florets are replaced by hairy achenes containing mottled black or brown seeds, 5 mm long…