Wallflower (noun)

1. A person who is shy or unpopular and who therefore does not take part in social activities.
2. A plant that has yellow, orange, or red flowers and is often grown against walls or fences.

Origin:

The word "wallflower" has been in use since the late 16th century and comes from the idea that these flowers were often grown against walls or fences. the word "wallflower" is derived from the old english word "weallflor", which is a combination of the words "weall" meaning "wall" and "flor" meaning "flower".

Examples:

1. He was always a wallflower at parties, preferring to stand alone in a corner.
2. She felt like a wallflower at the dance, standing alone while everyone else danced.
3. The wallflower's bright orange and yellow petals contrasted beautifully against the gray stone of the castle.
4. The wallflower's sweet scent filled the garden.
5. The wallflower, a symbol of endurance and humility, was often used as a gift to express deep affections.