The bottom of their stem looks exactly like the other Weed.
Dandelions originally had eyelashes, making them appear more feminine.
Their explosive properties may be a reference to the previous Dandelions, all which have explosive seeds for hair.
There is a Dandelion in the Backyard Battleground that mentions seeing a Peashooter would explode if they saw one, meaning they have a liking for the Peashooter.
If the player switches talks to this Dandelion as a Peashooter, they will get so excited until they explode into a bunch of coins for the player to collect.