I am a fruit, often pickled and green, Or cured to a dark, oily sheen. From ancient groves, my bitter taste I glean.

Sounds like a car brand, A type of inlet, The most famous ones are in Norway What am I?

The name for these plants and trees sounds like something they might want to say to you after you prune them. What's the name?

A misleading name for fans of this food, I sound like one kernel, though that is not true. Instead I fall from an oak tree, and squirrels often gather me.

A waterfowl approached a beverage vendor, And enquired of the man running the stand, Good day. Do you have any grapes? The vendor replied that no, he merely stocks lemonade, Further he explained that it was fresh and homemade, When offered a glass, the duck said he would pass. How did the duck leave, only to return the next day?