# Jack-go-to-bed-at-noon

> English word · Noun

## Definitions
1. A biannual plant distributed across Europe and North America (Tragopogon pratensis).

## Etymology
Derives from its tendency to close its flowers around midday on sunny days.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jack-go-to-bed-at-noon