the ripe brown spiny fruiting inflorescences of cardoons (dipsacus) in autumn

branch flower twig plant leaf frost nature thorns grass winter invertebrate tree petal spring yellow freezing insect ripe brown spiny fruiting inflorescences cardoons dipsacus autumn bushes background cardoon fruiting inflorescence ripe harvest thistle dipsacus autumn seed seedlings fall winter cold carduelis carduelis würzburg