Dandelion has 3 different meanings across 1 category:
Noun
any of several herbs of the genus Taraxacum having long tap roots and deeply notched leaves and bright yellow flowers followed by fluffy seed balls
Any of the several species of plant in the genus Taraxacum, characterised by yellow flower heads and notched, broad-ended leaves, especially the common dandelion (Taraxacum officinale).
Of a yellow colour, like that of the flower.